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 Filter Length: 353mm (13

Filter Length: 353mm (13

For customers who find the dual mass flywheel wears out too quickly

This BMW 425d performance exhaust is made in 2

4 TFSI sports exhaust (cat back - non-resonated)

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 Filter Length: 353mm (13High 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.