Originally Posted by dd1981
Nice! I cant wait to hear this exhaust in person. Everyone says the vidoes do it no justice. What are the expected power gains? I read somewhere only like 5hp. Id love to dyno my car before and after.
Don't expect power gains from this...BMW has done an amazing job making the OEM exhaust as efficient as possible.
I would say at the most 2-5 tops? I haven't dyno'ed it.