{"product_id":"bmw-m5-g90-g99-7-series-g70-g73-s68-catless-downpipes","title":"Project Gamma BMW S68 Downpipes for M5 G90 \/ G99 Touring \/ 7 Series G70 G73","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eProject Gamma High-Flow Catless Downpipes for BMW S68 M5 G90 \/ G99 and 7 Series G70 \/ G73\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your BMW S68 twin-turbo V8 platform with Project Gamma high-flow catless downpipes, engineered for improved exhaust flow, reduced backpressure, faster turbo response, and increased performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConstructed from premium 304 stainless steel, these downpipes are built for long-term durability, corrosion resistance, and high-temperature performance. Each set features precision CNC-machined V-band connections and flanges for secure fitment, proper sealing, and reliable installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnlike many restrictive factory-style designs, Project Gamma downpipes are designed with a smooth 3D-bent flow path to help maintain strong exhaust velocity from the turbo outlet through the exhaust system. This helps improve turbo efficiency, sharpen throttle response, reduce lag, and support increased horsepower and torque when paired with the proper ECU tune.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCompatible Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eBMW M5 G90 Sedan — S68 Twin-Turbo V8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW M5 G99 Touring — S68 Twin-Turbo V8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 7 Series G70 — 07\/2021 to 03\/2025\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW 7 Series G73 — 11\/2021 to 02\/2025\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHigh-flow catless design for maximum exhaust flow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium 304 stainless steel construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision CNC-machined V-band connections and flanges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTIG-welded for strength and durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmooth 3D-bent piping for improved exhaust velocity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduced backpressure compared to factory downpipes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved turbo spool and throttle response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAggressive performance exhaust tone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for tuned S68 twin-turbo V8 applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant Notes:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eECU tuning is required for proper performance and to help prevent check engine light issues. These are high-flow catless downpipes intended for off-road or track use only where permitted by law.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor questions, photos, videos, or fitment support, please email us at \u003c\/span\u003e\u003ca href=\"mailto:info@shopprojectgamma.com\"\u003e\u003cspan\u003einfo@shopprojectgamma.com\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e or message us on Instagram @project_gamma.\u003c\/span\u003e\u003c\/p\u003e","brand":"ProjectGamma","offers":[{"title":"Polished","offer_id":46359605870811,"sku":"","price":1499.0,"currency_code":"USD","in_stock":true},{"title":"Ceramic Coating","offer_id":46359605903579,"sku":"","price":1499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/7500\/2261\/files\/G90_Ceramic_coated_white_bg.jpg?v=1757628912","url":"https:\/\/shopprojectgamma.com\/products\/bmw-m5-g90-g99-7-series-g70-g73-s68-catless-downpipes","provider":"ProjectGamma","version":"1.0","type":"link"}