small mufflers, and no resonators..
this sucker is going to be loud with hi flow cats! if it retains the same sound pitch/quality with HFC's, my stillen will be for sale. id like something a bit louder, without the stink/rasp of test pipes...
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2009 PW Sport/Touring/Nav M6
Stillen Gen 3 Intake/CBE/Berk HFC/BC BR Coil over/Phillips 6500k/Hotchkis Sways/Stillen oil cooler/B&M SS
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