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Old 02-20-2012, 06:35 PM   #22
tundra
Scooby Newbie
 
Member#: 9290
Join Date: Aug 2001
Location: Asheville, NC area
Vehicle:
02 Built 2.5L wrx

Default

100% it's the muffler. They can make all the difference, and with mufflers you get what you pay for. One time I tried a 3" Bosal twin tip exhaust on my wrx (no cats). It looked awesome, but was unbearably loud at low rpm and on the highway.

I sold it after a week and bought a Cobb 3" exhaust (no cats) and the difference was night and day. No droning, no unbearable booming at low speeds... Just a nice and clean sounding, free flowing exhaust
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