MAD BMW G8x M3 M4 Downpipes S58 5 series Our bolt on end tanks

Our bolt on end tanks utilize the OEM intercooler piping

Stage 3 Kit includes

all H&R Sway Bars are powder coated for long lasting performance

Snow Performance Hyper-Sonic Water Methanol Nozzle

G01 (X3 Series) Gen1 B58 Engine with Automatic Transmission (Any HPFP)

MAD BMW G8x M3 M4 Downpipes S58 5 series Our bolt on end tanksUpgrade 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 back pressure 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