ApexBuilt
APEXBUILT® BMW G-CHASSIS B58 HIGH-FLOW CATTED DOWNPIPE (2018+)
APEXBUILT® BMW G-CHASSIS B58 HIGH-FLOW CATTED DOWNPIPE (2018+)
Regular price
$1,199.99 USD
Regular price
Sale price
$1,199.99 USD
Unit price
per
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ApexBuilt® BMW G-Chassis B58 High-Flow Catted Downpipes offer...
• Industry-leading build quality.
• Perfect fitment, guaranteed.
• Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM.
• GESI 400-Cell UHO Gen2 cats, resulting in 49 state emissions compliance
• Estimated gains of 20-25+ wheel horsepower and 30-35+ TQ when installed on a vehicle that is not tuned.
• Estimated gains of 45+ HP and 50+ TQ over stock power levels when paired with an aftermarket ECU tune.
• TIG-welded T304 stainless steel construction, assembled by hand in Naples FL.
• Lifetime warranty.
PLEASE NOTE:
These these parts are for OFF ROAD / RACE USE ONLY. We advise you to run a tune on your vehicle for best results. NOT CARB certified, not street legal in CA.
Fits the following vehicles*:
2021+ BMW M240i
2019+ BMW G20 M340i
2017+ BMW G30 540i
2018+ BMW G01 X3 M40i
2018+ BMW G02 X4 M40i
*xDrive models also supported.
![APEXBUILT® BMW G-CHASSIS B58 HIGH-FLOW CATTED DOWNPIPE (2018+)](http://foreignperformanceauto.com/cdn/shop/products/apexbuilt-bmw-g0xg2x-b58-high-flow-catted-downpipe-801193_720x_80a353aa-18bd-44ac-ae97-b8a29f00858d.webp?v=1678577270&width=1445)
![APEXBUILT® BMW G-CHASSIS B58 HIGH-FLOW CATTED DOWNPIPE (2018+)](http://foreignperformanceauto.com/cdn/shop/products/5_720x_2a9f1470-563d-464d-885f-31dd836819eb.webp?v=1678577270&width=1445)
![APEXBUILT® BMW G-CHASSIS B58 HIGH-FLOW CATTED DOWNPIPE (2018+)](http://foreignperformanceauto.com/cdn/shop/products/apexbuilt-bmw-g0xg2x-b58-high-flow-catted-downpipe-155464_720x_17819dc0-8fed-4ee7-85a2-29396cbe0950.webp?v=1678577270&width=1445)
![APEXBUILT® BMW G-CHASSIS B58 HIGH-FLOW CATTED DOWNPIPE (2018+)](http://foreignperformanceauto.com/cdn/shop/products/apexbuilt-bmw-g0xg2x-b58-high-flow-catted-downpipe-557134_720x_696d0cd6-2f36-41c2-8dfc-8a3411cfccc2.webp?v=1678577270&width=1445)
![APEXBUILT® BMW G-CHASSIS B58 HIGH-FLOW CATTED DOWNPIPE (2018+)](http://foreignperformanceauto.com/cdn/shop/products/apexbuilt-bmw-g0xg2x-b58-high-flow-catted-downpipe-733050_720x_5c266824-ae94-45b7-b76c-a38959591007.webp?v=1678577270&width=1445)
![APEXBUILT® BMW G-CHASSIS B58 HIGH-FLOW CATTED DOWNPIPE (2018+)](http://foreignperformanceauto.com/cdn/shop/products/apexbuilt-bmw-g0xg2x-b58-high-flow-catted-downpipe-503047_720x_c5f4d980-de3a-4190-bfd5-d895b3ca35c0.webp?v=1678577270&width=1445)