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 together with OEM levels of

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

Keen to make a step above and differentiate from the competition

This Hi-Flow Sports Cat comes equipped with a downpipe

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

Filter Length: 353mm (13

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 together with OEM levels ofHigh 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.