BMW F87 M2 & F82/83 M4 - HJS Tuning ECE Downpipes Audi > A4 > 2.0 TFSI B9 Quattro Saloon & Avant (Non OPF/GPF Models inc Mild Hybrid & Without Brace Bars) > 2016 and later Example of BMW M235i Sport

Example of BMW M235i Sport Exhaust (Cat back - non-resonated with de-cat)

This BMW 425d performance exhaust is made in 2

Independent testing of the non resonated cat back system revealed impressive gains of +10bhp along with 16 lb ft of torque

together with OEM levels of drivability and refinement is what makes this a genuinely usable package

This allows racers to reliably increase boost and advance ignition timing—without using high-octane racing fuel—for power gains of up to 20%

BMW F87 M2 & F82/83 M4 - HJS Tuning ECE Downpipes Audi > A4 > 2.0 TFSI B9 Quattro Saloon & Avant (Non OPF/GPF Models inc Mild Hybrid & Without Brace Bars) > 2016 and later Example of BMW M235i SportHigh performance, road legal downpipes with sports catalysts made by HJS in Germany. Designed to optimize vehicle power and sound while maintaining full European emission standards with ECE approval. Plug and Play fitment. Sound levels within 2dB of OE.