2001 Chevy 2500HD Straight Pipe No Mufflers 6.0L

No Muffler

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2005 Silverado 6.0L No muffler or cats
This is a 2005 Chevy Silverado 1500 HD with a 6 liter. I was in the process of switching the muffler. We drove it in town after we cut off the old muffler. It was annoyingly obnoxious so if you like the sound, keep in mind the camera doesn't do it justice for how loud it is... You're definitely going to want another muffler. Truck also has no Cats. Shortly after this video I installed a Magnaflow 12268 Muffler which sounds alot better. about 45 seconds into it is when I step on it.





6.0 2500HD Flowmaster 40 series
warm start with new dual chamber muffler. 4x18 tips rest of truck is stock except for throttle body spacer. video doesnt really do any justice. The sound is so much deeper in person ... big step up from before... i have an old vid i will upload later.





chevy 2500hd
stock 2500hd chevy with 37 inch tires





2005 Silverado 2500HD 6.0L Super 44s
warm start on a winter day, stock manifolds, Magnaflow Hi-Flow cats, 3" duals H piped, Super 44 Flowmasters, 4"x12" Magnaflow SS tips. mufflers part #943046, tips part #35116




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