Supra 3.0T & BMW B58 Downpipe - M340i, M440i, M240i, 340i, 440i, 540i, 640i, 740i, X3, X4, X5

Elevate your BMW’s performance with the Palenon Performance Version II BMW B58 Downpipe. Specifically engineered for 2020+ Toyota Supra 3.0T and 2016–present BMW models—including the 440i, 340i, M340i, M440i, M240i, X5 40i, Z4, 540i, 640i, and 740i—this high-flow downpipe significantly enhances turbocharger efficiency by replacing the restrictive OEM catalytic converter. Crafted from 4.5” 304-grade stainless steel with precision-formed smooth radius bends, it promotes faster turbo spool, increased horsepower, and a deeper, more aggressive exhaust tone. Designed for straightforward installation, it integrates seamlessly with both OEM and aftermarket exhaust systems—making it an ideal upgrade for enthusiasts seeking maximum performance and sound. Explore Our B58 Downpipe Collection Check Here If you have Gen3 Models Features Faster Spool: Achieve quicker turbo response with reduced exhaust backpressure. Reduced Restriction: Enhanced flow for improved power gains. Increased Power: G