Originally Posted by FocusBoy58
The butt Dyno feels great duratec usually see 15-20whp with full headers and exhaust. The sound is quieter then the fswerks race system still. No drone at any speed while cruising it sounds like my car doesn't even have exhaust. My system could be considered a 2.5" stealth system.
Would you mind giving a "layout" of your current exhaust? We all know you've got the headers and no cats with a 2.5" system, but what about mufflers? 1? 2? resonator?