{"title":"Exhausts","description":"Performance exhaust systems and downpipes for BMW and beyond.","products":[{"product_id":"bmw-b58-gen-1-5-catless-decat-downpipe-m140i-m240i-340i-440i-540i-more","title":"BMW B58 Gen 1 5\" Inch Catless Decat Downpipe – M140i, M240i, 340i, 440i, 540i + More","description":"\u003cdiv class=\"sbdp-desc\"\u003e\n\u003cstyle\u003e\n.sbdp-desc{font-family:inherit;color:#1a1a1a;max-width:780px;margin:0 auto}\n.sbdp-desc *{box-sizing:border-box}\n.sbdp-desc svg{display:block}\n.sbdp-badge{display:inline-flex;align-items:center;gap:6px;background:#0A0A0A;color:#fff;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}\n.sbdp-badge span.dot{width:6px;height:6px;border-radius:50%;background:#F15A29;display:inline-block}\n.sbdp-h1{font-size:26px;line-height:1.25;font-weight:800;margin:0 0 8px;color:#0A0A0A;letter-spacing:-0.01em}\n.sbdp-sub{font-size:15px;line-height:1.55;color:#4a4a4a;margin:0 0 22px;max-width:620px}\n.sbdp-stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #e7e7e7;border-radius:12px;overflow:hidden;margin-bottom:26px}\n.sbdp-stat{padding:14px 10px;text-align:center;border-right:1px solid #e7e7e7}\n.sbdp-stat:last-child{border-right:none}\n.sbdp-stat b{display:block;font-size:15px;font-weight:800;color:#0A0A0A;letter-spacing:-0.01em}\n.sbdp-stat span{display:block;font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:#8a8a8a;margin-top:3px}\n.sbdp-section{margin:0 0 26px}\n.sbdp-h2{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:#0A0A0A;margin:0 0 14px}\n.sbdp-h2:before{content:\"\";width:14px;height:3px;border-radius:2px;background:#F15A29;display:inline-block;flex-shrink:0}\n.sbdp-p{font-size:14.5px;line-height:1.65;color:#333;margin:0 0 12px}\n.sbdp-check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}\n.sbdp-check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.5;color:#222}\n.sbdp-check-list .ic{flex-shrink:0;width:18px;height:18px;border-radius:50%;background:#F15A29;display:flex;align-items:center;justify-content:center;margin-top:1px}\n.sbdp-check-list .ic svg{width:10px;height:10px;stroke:#fff}\n.sbdp-fit-group{margin-bottom:14px}\n.sbdp-fit-group h4{font-size:12.5px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#0A0A0A;margin:0 0 8px}\n.sbdp-chips{display:flex;flex-wrap:wrap;gap:7px}\n.sbdp-chip{display:inline-block;font-size:12.5px;font-weight:600;color:#222;background:#f4f4f4;border:1px solid #e5e5e5;border-radius:999px;padding:5px 12px;white-space:nowrap}\n.sbdp-grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}\n.sbdp-card{border:1px solid #e7e7e7;border-radius:10px;padding:14px 16px}\n.sbdp-card .ic{width:26px;height:26px;border-radius:7px;background:rgba(241,90,41,.12);display:flex;align-items:center;justify-content:center;margin-bottom:8px}\n.sbdp-card .ic svg{width:14px;height:14px;stroke:#F15A29}\n.sbdp-card b{display:block;font-size:13.5px;font-weight:700;color:#0A0A0A;margin-bottom:2px}\n.sbdp-card p{margin:0;font-size:12.5px;color:#666;line-height:1.45}\n.sbdp-callout{background:#fff6f2;border:1px solid #f6d9cc;border-radius:10px;padding:14px 16px;font-size:13.5px;line-height:1.55;color:#7a3315;margin-bottom:22px}\n.sbdp-callout b{color:#c0421a}\n.sbdp-notice{border-top:1px solid #e7e7e7;padding-top:16px;font-size:12px;line-height:1.6;color:#8a8a8a}\n.sbdp-close{font-size:14.5px;line-height:1.6;color:#333;margin:0 0 22px;font-weight:600}\n@media (max-width:520px){\n  .sbdp-stats{grid-template-columns:repeat(2,1fr)}\n  .sbdp-stat:nth-child(2){border-right:none}\n  .sbdp-stat:nth-child(1),.sbdp-stat:nth-child(2){border-bottom:1px solid #e7e7e7}\n  .sbdp-grid2{grid-template-columns:1fr}\n}\n\u003c\/style\u003e\n  \u003cspan class=\"sbdp-badge\"\u003e\u003cspan class=\"dot\"\u003e\u003c\/span\u003eSB Custom — Exhaust Downpipes · Gen 1 B58\u003c\/span\u003e\n  \u003ch2 class=\"sbdp-h1\"\u003eBMW B58 Gen 1 5\" Catless Decat Downpipe\u003c\/h2\u003e\n  \u003cp class=\"sbdp-sub\"\u003eA high-flow 5-inch catless decat downpipe for Gen 1 B58-powered BMWs. Built for real performance gains — maximum exhaust flow, faster turbo spool, more power, and a noticeably more aggressive exhaust tone — a straight bolt-on replacement for the restrictive factory unit.\u003c\/p\u003e\n\n  \u003cdiv class=\"sbdp-stats\"\u003e\n    \u003cdiv class=\"sbdp-stat\"\u003e\n\u003cb\u003e5-INCH\u003c\/b\u003e\u003cspan\u003eBore Size\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-stat\"\u003e\n\u003cb\u003eT304 STAINLESS\u003c\/b\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-stat\"\u003e\n\u003cb\u003eCATLESS \/ DECAT\u003c\/b\u003e\u003cspan\u003eStyle\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-stat\"\u003e\n\u003cb\u003e1 YEAR\u003c\/b\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-section\" style=\"margin-bottom:40px\"\u003e\n    \u003ch3 class=\"sbdp-h2\"\u003eKey Features\u003c\/h3\u003e\n    \u003cul class=\"sbdp-check-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eSignificantly increased exhaust flow for real performance gains\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eFits both OPF and Non-OPF cars\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eHigh-grade stainless steel construction with hand TIG-welded joints\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eDirect bolt-on replacement for the restrictive factory downpipe\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eExact fitment for Gen 1 B58-equipped BMW models, 2015–2019\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003e1 year warranty against manufacturing defects and premature failure — no quibble replacement\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-section\"\u003e\n    \u003ch3 class=\"sbdp-h2\"\u003eCompatible Vehicles\u003c\/h3\u003e\n    \u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e1 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eF20 \/ F21 M140i (2016–2019)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e2 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eF22 \/ F23 M240i \/ M240i xDrive (2016–2021)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e3 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\n\u003cspan class=\"sbdp-chip\"\u003eF30 \/ F31 340i \/ 340i xDrive (2016–2018)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eF34 340i GT (2016–2018)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e4 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eF32 \/ F33 \/ F36 440i \/ 440i xDrive (2016–2019)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e5 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eG30 \/ G31 540i \/ 540i xDrive — Pre-LCI (2017–2019)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e6 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eG32 640i GT — Pre-LCI\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e7 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eG11 \/ G12 740i \/ 740Li — Pre-LCI (2016–2019)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003eX Series SUVs\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\n\u003cspan class=\"sbdp-chip\"\u003eG01 X3 M40i — Pre-LCI (2018–2019)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG02 X4 M40i (2019)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-callout\"\u003e\n\u003cb\u003ePlease note:\u003c\/b\u003e This downpipe is designed for Gen 1 B58 (B58B30M0 \/ B58A) \"F-Chassis\" and early \"G-Chassis\" models, built before Technical Update 1 (Gen 2). Please check your chassis code before ordering if you're unsure which generation you have.\u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-grid2\" style=\"margin-bottom:26px\"\u003e\n    \u003cdiv class=\"sbdp-card\"\u003e\n\u003cdiv class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M13 2 3 14h7l-1 8 11-13h-7z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cb\u003eTIG-Welded Stainless\u003c\/b\u003e\u003cp\u003eHigh-grade stainless steel, hand TIG-welded for a durable, leak-free joint.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-card\"\u003e\n\u003cdiv class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003crect x=\"1\" y=\"6\" width=\"14\" height=\"11\"\u003e\u003c\/rect\u003e\u003cpath d=\"M15 9h4l3 3v5h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"6\" cy=\"19\" r=\"1.6\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17.5\" cy=\"19\" r=\"1.6\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cb\u003eUK Stock, Fast Delivery\u003c\/b\u003e\u003cp\u003eDispatched from the UK — no long waits on overseas shipping.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-card\"\u003e\n\u003cdiv class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 8l-9-5-9 5 9 5 9-5z\"\u003e\u003c\/path\u003e\u003cpath d=\"M3 8v8l9 5 9-5V8\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 13v8\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cb\u003eSecure Packaging\u003c\/b\u003e\u003cp\u003eReinforced packaging designed to prevent transit damage.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-card\"\u003e\n\u003cdiv class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 18v-6a9 9 0 0 1 18 0v6\"\u003e\u003c\/path\u003e\u003cpath d=\"M21 19a2 2 0 0 1-2 2h-1v-6h3z\"\u003e\u003c\/path\u003e\u003cpath d=\"M3 19a2 2 0 0 0 2 2h1v-6H3z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cb\u003eDedicated UK Support\u003c\/b\u003e\u003cp\u003eFitment questions or issues? Our team is on hand to help.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-section\"\u003e\n    \u003ch3 class=\"sbdp-h2\"\u003eWhat's in the Box\u003c\/h3\u003e\n    \u003cul class=\"sbdp-check-list\"\u003e\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003e1 x 5-inch catless decat downpipe (Gen 1 B58)\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cp class=\"sbdp-close\"\u003eReady to unlock your Gen 1 B58's full potential? Real performance gains, fit and forget, backed by our 1 year warranty.\u003c\/p\u003e\n\n  \u003cdiv class=\"sbdp-notice\"\u003eThis downpipe removes the OEM catalytic converter, so exhaust emissions will no longer meet original factory standards. It's intended for off-road, track, or motorsport use — please check your local emissions and road-legality regulations before fitting to a vehicle used on public roads. Fittings and gaskets are not included.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SB Custom","offers":[{"title":"Default","offer_id":54938805567827,"sku":"SBC-B58G1-DP5","price":209.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1106\/0979\/3363\/files\/3_1e6bddef-1b04-458a-ad34-269c57ba0b83.png?v=1789605678"},{"product_id":"bmw-b58-gen-1-5-catless-decat-downpipe-m140i-m240i-340i-440i-540i-more-copy","title":"BMW B58 GEN 2 5\" Inch Catless Decat Downpipe - M240i M340i M440i 540i 840i + MORE","description":"\u003cdiv class=\"sbdp-desc\"\u003e\n\u003cstyle\u003e\n.sbdp-desc{font-family:inherit;color:#1a1a1a;max-width:780px;margin:0 auto}\n.sbdp-desc *{box-sizing:border-box}\n.sbdp-desc svg{display:block}\n.sbdp-badge{display:inline-flex;align-items:center;gap:6px;background:#0A0A0A;color:#fff;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}\n.sbdp-badge span.dot{width:6px;height:6px;border-radius:50%;background:#F15A29;display:inline-block}\n.sbdp-h1{font-size:26px;line-height:1.25;font-weight:800;margin:0 0 8px;color:#0A0A0A;letter-spacing:-0.01em}\n.sbdp-sub{font-size:15px;line-height:1.55;color:#4a4a4a;margin:0 0 22px;max-width:620px}\n.sbdp-stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #e7e7e7;border-radius:12px;overflow:hidden;margin-bottom:26px}\n.sbdp-stat{padding:14px 10px;text-align:center;border-right:1px solid #e7e7e7}\n.sbdp-stat:last-child{border-right:none}\n.sbdp-stat b{display:block;font-size:15px;font-weight:800;color:#0A0A0A;letter-spacing:-0.01em}\n.sbdp-stat span{display:block;font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:#8a8a8a;margin-top:3px}\n.sbdp-section{margin:0 0 26px}\n.sbdp-h2{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:#0A0A0A;margin:0 0 14px}\n.sbdp-h2:before{content:\"\";width:14px;height:3px;border-radius:2px;background:#F15A29;display:inline-block;flex-shrink:0}\n.sbdp-p{font-size:14.5px;line-height:1.65;color:#333;margin:0 0 12px}\n.sbdp-check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}\n.sbdp-check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.5;color:#222}\n.sbdp-check-list .ic{flex-shrink:0;width:18px;height:18px;border-radius:50%;background:#F15A29;display:flex;align-items:center;justify-content:center;margin-top:1px}\n.sbdp-check-list .ic svg{width:10px;height:10px;stroke:#fff}\n.sbdp-fit-group{margin-bottom:14px}\n.sbdp-fit-group h4{font-size:12.5px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#0A0A0A;margin:0 0 8px}\n.sbdp-chips{display:flex;flex-wrap:wrap;gap:7px}\n.sbdp-chip{display:inline-block;font-size:12.5px;font-weight:600;color:#222;background:#f4f4f4;border:1px solid #e5e5e5;border-radius:999px;padding:5px 12px;white-space:nowrap}\n.sbdp-grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}\n.sbdp-card{border:1px solid #e7e7e7;border-radius:10px;padding:14px 16px}\n.sbdp-card .ic{width:26px;height:26px;border-radius:7px;background:rgba(241,90,41,.12);display:flex;align-items:center;justify-content:center;margin-bottom:8px}\n.sbdp-card .ic svg{width:14px;height:14px;stroke:#F15A29}\n.sbdp-card b{display:block;font-size:13.5px;font-weight:700;color:#0A0A0A;margin-bottom:2px}\n.sbdp-card p{margin:0;font-size:12.5px;color:#666;line-height:1.45}\n.sbdp-callout{background:#fff6f2;border:1px solid #f6d9cc;border-radius:10px;padding:14px 16px;font-size:13.5px;line-height:1.55;color:#7a3315;margin-bottom:22px}\n.sbdp-callout b{color:#c0421a}\n.sbdp-notice{border-top:1px solid #e7e7e7;padding-top:16px;font-size:12px;line-height:1.6;color:#8a8a8a}\n.sbdp-close{font-size:14.5px;line-height:1.6;color:#333;margin:0 0 22px;font-weight:600}\n@media (max-width:520px){\n  .sbdp-stats{grid-template-columns:repeat(2,1fr)}\n  .sbdp-stat:nth-child(2){border-right:none}\n  .sbdp-stat:nth-child(1),.sbdp-stat:nth-child(2){border-bottom:1px solid #e7e7e7}\n  .sbdp-grid2{grid-template-columns:1fr}\n}\n\u003c\/style\u003e\n  \u003cspan class=\"sbdp-badge\"\u003e\u003cspan class=\"dot\"\u003e\u003c\/span\u003eSB Custom — Exhaust Downpipes · Gen 2 B58\u003c\/span\u003e\n  \u003ch2 class=\"sbdp-h1\"\u003eBMW B58 Gen 2 5-Inch Catless Decat Downpipe\u003c\/h2\u003e\n  \u003cp class=\"sbdp-sub\"\u003eA high-flow 5-inch catless decat downpipe for Gen 2 B58-powered BMWs. Built for real performance gains — maximum exhaust flow, faster turbo spool, more power, and a noticeably more aggressive exhaust tone — a straight bolt-on replacement for the restrictive factory OPF\/PPF unit.\u003c\/p\u003e\n\n  \u003cdiv class=\"sbdp-stats\"\u003e\n    \u003cdiv class=\"sbdp-stat\"\u003e\n\u003cb\u003e5-INCH\u003c\/b\u003e\u003cspan\u003eBore Size\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-stat\"\u003e\n\u003cb\u003eT304 STAINLESS\u003c\/b\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-stat\"\u003e\n\u003cb\u003eCATLESS \/ DECAT\u003c\/b\u003e\u003cspan\u003eStyle\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-stat\"\u003e\n\u003cb\u003e1 YEAR\u003c\/b\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-section\" style=\"margin-bottom:40px\"\u003e\n    \u003ch3 class=\"sbdp-h2\"\u003eKey Features\u003c\/h3\u003e\n    \u003cul class=\"sbdp-check-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eSignificantly increased exhaust flow for real performance gains\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eDesigned for Gen 2 B58 OPF-equipped models\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eHigh-grade stainless steel construction with hand TIG-welded joints\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003eDirect bolt-on replacement for the restrictive factory OPF\/PPF unit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003e1 year warranty against manufacturing defects and premature failure — no quibble replacement\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-section\"\u003e\n    \u003ch3 class=\"sbdp-h2\"\u003eCompatible Vehicles\u003c\/h3\u003e\n    \u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e2 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eG42 M240i xDrive (2021+)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e3 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\n\u003cspan class=\"sbdp-chip\"\u003eG20 M340i (2019+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG21 M340i Touring (2019+)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e4 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\n\u003cspan class=\"sbdp-chip\"\u003eG22 M440i Coupe (2020+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG23 M440i Convertible (2020+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG26 M440i Gran Coupe (2020+)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e5 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\n\u003cspan class=\"sbdp-chip\"\u003eG30 540i (2018+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG31 540i Touring (2018+)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e6 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eG32 640i GT (2018+)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e7 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\n\u003cspan class=\"sbdp-chip\"\u003eG11 740i (2019+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG12 740i LWB (2019+)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003e8 Series\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\n\u003cspan class=\"sbdp-chip\"\u003eG14 840i Convertible (2019+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG15 840i Coupe (2019+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG16 840i Gran Coupe (2019+)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003eX Series SUVs\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\n\u003cspan class=\"sbdp-chip\"\u003eG01 X3 M40i (2020+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG02 X4 M40i (2020+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG05 X5 xDrive40i (2019+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG06 X6 xDrive40i (2020+)\u003c\/span\u003e\u003cspan class=\"sbdp-chip\"\u003eG07 X7 xDrive40i (2019+)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003eZ Series Roadster\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eG29 Z4 M40i (2019+)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sbdp-fit-group\"\u003e\n\u003ch4\u003eOther\u003c\/h4\u003e\n\u003cdiv class=\"sbdp-chips\"\u003e\u003cspan class=\"sbdp-chip\"\u003eToyota GR Supra A90 \/ A91 (2019+)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-callout\"\u003e\n\u003cb\u003ePlease note:\u003c\/b\u003e This downpipe is designed for Gen 2 B58 engines. It will also fit other Gen 2 B58 engines not listed above. Please check your engine code before ordering if you're unsure which generation you have.\u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-grid2\" style=\"margin-bottom:26px\"\u003e\n    \u003cdiv class=\"sbdp-card\"\u003e\n\u003cdiv class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M13 2 3 14h7l-1 8 11-13h-7z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cb\u003eTIG-Welded Stainless\u003c\/b\u003e\u003cp\u003eHigh-grade stainless steel, hand TIG-welded for a durable, leak-free joint.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-card\"\u003e\n\u003cdiv class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003crect x=\"1\" y=\"6\" width=\"14\" height=\"11\"\u003e\u003c\/rect\u003e\u003cpath d=\"M15 9h4l3 3v5h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"6\" cy=\"19\" r=\"1.6\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17.5\" cy=\"19\" r=\"1.6\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cb\u003eUK Stock, Fast Delivery\u003c\/b\u003e\u003cp\u003eDispatched from the UK — no long waits on overseas shipping.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-card\"\u003e\n\u003cdiv class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 8l-9-5-9 5 9 5 9-5z\"\u003e\u003c\/path\u003e\u003cpath d=\"M3 8v8l9 5 9-5V8\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 13v8\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cb\u003eSecure Packaging\u003c\/b\u003e\u003cp\u003eReinforced packaging designed to prevent transit damage.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sbdp-card\"\u003e\n\u003cdiv class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 18v-6a9 9 0 0 1 18 0v6\"\u003e\u003c\/path\u003e\u003cpath d=\"M21 19a2 2 0 0 1-2 2h-1v-6h3z\"\u003e\u003c\/path\u003e\u003cpath d=\"M3 19a2 2 0 0 0 2 2h1v-6H3z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cb\u003eDedicated UK Support\u003c\/b\u003e\u003cp\u003eFitment questions or issues? Our team is on hand to help.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sbdp-section\"\u003e\n    \u003ch3 class=\"sbdp-h2\"\u003eWhat's in the Box\u003c\/h3\u003e\n    \u003cul class=\"sbdp-check-list\"\u003e\u003cli\u003e\n\u003cspan class=\"ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003cspan\u003e1 x 5-inch catless decat downpipe (Gen 2 B58)\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cp class=\"sbdp-close\"\u003eReady to unlock your Gen 2 B58's full potential? Real performance gains, fit and forget, backed by our 1 year warranty.\u003c\/p\u003e\n\n  \u003cdiv class=\"sbdp-notice\"\u003eThis downpipe removes the OEM catalytic converter \/ OPF, so exhaust emissions will no longer meet original factory standards. It's intended for off-road, track, or motorsport use — please check your local emissions and road-legality regulations before fitting to a vehicle used on public roads. Fittings and gaskets are not included.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SB Custom","offers":[{"title":"Default","offer_id":54965502574931,"sku":"SBC-B58G1-DP5","price":209.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1106\/0979\/3363\/files\/1_512ac477-19dc-4c5b-9942-c98dcf4d7e82.png?v=1789604347"}],"url":"https:\/\/sbcustom.co.uk\/collections\/exhausts.oembed","provider":"SB Custom","version":"1.0","type":"link"}