i just looked at the main HPF turbo m3 page and did not see where it listed the difference. it only shows the stage 3/4 exhaust setup, not the HPF ti exhaust for the stock mids
Originally Posted by Hobbit382
good to know, is it listed on their site yet?
2006 E46 M3 HPF stg II SOLD
1988 E30 M3 Touring Class Race Car