Large Bore Downpipes & Hi Flow Sports Cats (Audi RSQ8/SQ8/SQ7) Model_BMW M3 (F80) 2014-18 your engine is toast before

your engine is toast before you know it – very expensive toast

The new part removes the central silencer/resonator found in the O/E system allowing for smoother gas flow rates for improved power delivery and a noticeably enhanced exhaust tone

CNC Optimized Compressor Cover Machining Clearances

Included in this kit:

This makes the catalyst freer-flowing

Large Bore Downpipes & Hi Flow Sports Cats (Audi RSQ8/SQ8/SQ7) Model_BMW M3 (F80) 2014-18 your engine is toast beforeMilltek Sport Large Bore Downpipes are perfect when looking to improve both performance and sound. These downpipes are fabricated with a larger diameter than standard OEM parts, meaning that there is significantly more space for more gas to exit the engine and pass through, increasing efficiency. Combined with our Hi Flow Sports Cat, you can expect a significant increase in performance and a noticeable difference in sound aesthetic. All our