04-02-2012, 01:53 AM
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#8
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Drives: 2011 Camaro 2SS/RS
Join Date: Apr 2011
Location: US
Posts: 3,291
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The sounds is so much better. Now I don't feel like I am in as big of a rush to get a cat back system because these HF have satisfied my taste in tone. I have heard one person who installed these say the gains were like 20 hp and 22 rear torque, but I have no clue as i have never dynoed my car before or after yet.
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2011 Camaro 2SS/RS, Circle D 3200, ADM Transmission Cooler, BTR Valvetrain, Cam Motion .621 .595 228/244 113+4, ARH 1 7/8 full exhaust, Cold Air Inductions, Katech C5R TC, Melling HV, BTR SLR lifters, Trunion Upgrade, LS2 Dampner, LS9 head gaskets, Bo White PTB, MM can, GFX, Subs, B&M Deep transmission pan,
Holley fuel rail, Proform valve covers, relocated coil packs  |
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