Large Bore Downpipes and Hi-Flow Sports Cat (Audi RSQ8/SQ8/SQ7) BMW > 1 Series > M140i 3 & 5 Door (F20 & F21 LCI On the static sound test

On the static sound test

1dB on the test circuit maxing out at 77

Supplied with a balance test result document

brackets and bolts

This BMW M3 performance exhaust is made in 3"/76

Large Bore Downpipes and Hi-Flow Sports Cat (Audi RSQ8/SQ8/SQ7) BMW > 1 Series > M140i 3 & 5 Door (F20 & F21 LCI On the static sound testMilltek 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