i believe but not absoultely sure but i think it has soem thing to do with the flow of air going throughrios said:why does dual exhaust reduce low end torque? what if the car is turboed?
how'bout a muffler on one side thats not attached to any piping...you keep your performance and have a dual look.....lolsentra94xe said:
HAHA! And a 4" exhaust tip doesn't count...