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Re: auto tech exhaust, ???? (D.K.)

mine droned at freeway speeds do to the 4" tip. my Neuspeed with twin DTM tips is way less droney. as far as power, it put out the same power on the dyno as the neuspeed and the TT 2.5 exhaust so there product is good. i'd just check into a different tip or hear one first
 
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