Quote:
Originally Posted by hometeam
Muffler delete and LOSE power? I'd like to see the dyno on that.
Less restriction = MORE power! Hooray!
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There has been a lot of discusssion on this among the "real" gearheads. The basic premise is that the active exhaust needs the back pressure to keep the 485HP. The sensor only opens when it has created enough pressure to fully power the engine.
There are long time gearheads that swear they have lost power after the muffler delete. A lot. There have been guys that posted data proving the lost power. 5HP usually.