[nJuDunno]

Originally Posted by BMWDriverX

Check out extreme powehouse, insane pricing right now on ER downpipes. Picked up a set of secondary deletes for just under $500

https://x-ph.com/evolution-racewerks-f90-m5-downpipes/

Wow, that is cheap. Anyone know the difference between brushed and polished? Just the exterior finish?

Thanks