【How-To】Does Exhaust Packing Affect Performance

Catch up with 【How-To】Does Exhaust Packing Affect Performance. Read all about the primary developments in this concise summary.

So for most cars, the muffler delete will not add any power. Some cars will gain some power, but generally it’s not much, usually under 5 horsepower. However, if you have a car modified for more power, and still has the stock mufflers, then you’ll have more gain.