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07-15-2008, 07:59 PM #1
2004 Chevy 2500HD exhaust upgrades
I've been looking at upgrading the exhaust on the HD now that the camaro is done. I need to keep the factory emissions which are only cats and air. I was thinking of shorty headers (unless there is something better that uses the factory cats), cutting out the factory muffler and welding in a magnaflow and running some pipes over the axle and have it exit out the side after the wheel or a catback.
Any suggestions? I'm looking to pick up some power, mileage and something to do.
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