MAD BMW G8x S58 3.5" Fat Boy Downpipes M3 M4 crank hub 22316799331

22316799331

The two piece bushing design sandwiches the subframe locking it in place

No additional hardware is needed

but with the exceptional ride quality you expect from Eibach

4-ply silicone couplers as well as stainless steel t-bolt clamps

MAD BMW G8x S58 3.5" Fat Boy Downpipes M3 M4 crank hub 22316799331OUT OF STOCK May 2nd 2023 The MAD 3. 5" S58 Fat boy is the largest BMW S58 catless downpipe on the market! Upgrade from the stock S58 downpipes to the MAD 3. 5" Fat Boy S58 catless downpipes for maximum airflow, power, and sound! Upgrade to the MAD BMW 3. 5" Fat Boy 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