Mufflers

Asked by Oct 01, 2009 at 06:22 PM about the 2009 Chevrolet Silverado 2500HD LTZ Crew Cab 4WD

Question type: Car Customization

Does anyone have a recommendation for an aftermarket exhaust ( dual or single) and performance chips (for power not speed) for the
6.0?

2 Answers

95

i have 3 inch all the way back to 4 inch tips on my 8.1, as far as programmers go i put a hypertec max energy on it and i made a huge difference towing

45

flowmaster makes 3.5" cat back system. Loud but gives it a lot of.power

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