MAD BMW S58 Downpipes M2 M3 M4 G87 G80 G82 G83 G8x bmw h pipe it makes a clean "click"

it makes a clean "click" noise every time you shift

But there was always a catch

Its all in the details

The kit comes with the following –

taking the average enthusiast only five minutes to install or remove right in their driveway

MAD BMW S58 Downpipes M2 M3 M4 G87 G80 G82 G83 G8x bmw h pipe it makes a clean "click"Upgrade from the stock S58 downpipes to the MAD S58 catless downpipes for maximum airflow, power, and sound! Upgrade to the MAD BMW S58 downpipes to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipes, your turbos can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well. Expect up to a 30HP increase on a tuned BMW S58 with stock turbos, even more on cars with