How much does a factory race muffler sell for?
Its in good shape, no dents and almost no rust.
thinking of selling so I can buy a reverse muffler
from a board member.
The race exhaust and the race ECM together will get you a pretty flat torque curve with out getting into to any tuning and also about 84hp on a 9r but that with the k&n air filter and race exhaust and ecm. If you're into tuning the a Keda would most likely get you the best hp/lb.ft numbers, with a good tune check this thread