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Old Yesterday, 01:04 PM Thread Starter
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Hello everyone

i recently bought a 2009 g8 gt stock i would like it to make some sound but not too loud should i mid muffler delete or what would yall recommend
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Old Yesterday, 01:28 PM
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If its 09.1 like mine then cutting mid muffler out will increase the sound very slightly. In a G8 GT stock axle back mufflers are very aggressive at noise cancellation because the engineers could not figure out a way to cut the drone from when DOD (V4 mode)kicks in.

If 9.5 you can take off the extra cup-cats for 10ish hp more and more sound.

If you get the axleback replacement for the stock mufflers but choose to leave DoD intact, then I've heard some good things about Solo J-pipes. But for any serious exhaust note (And some high-mileage reliability and HP gains) you might want to consider going the route of DoD delete.

Hope that helps.
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Old Yesterday, 10:36 PM
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Don't start hacking and cutting your exhaust. Stupid mistake. Just get a set of Solo Axlebacks.
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2009 SRM PONTIAC G8 GT
VCM OTR Cold Air Intake
Kooks Long Tube Headers / HF Cats
Solo Mach Shorty Catback
Continental Extreme Contact DWS6 Tires
Shadow Chrome Camaro SS Wheels
91 Octane Tune @ JLS Tuning Performance
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Old Today, 07:07 AM
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Most folks find that the AFM changeover and a louder muffler donít mix well. If the car hasnít already been modified you may want to consider a tune/DOD (AFM) delete.

2009 G8 GXP, #715 0f 1829 (one of 38 as optioned), MSM, 6M, Sunroof, Onyx/Red

2009 G8 GXP, #807 of 1829, MSM, 6A, Sunroof

2016 Chevy SS, Mystic Green, roof, #555 of 2221

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