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.

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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





Cummins Vs. 6.0L Gas
me in the 2500HD joe in the cummins. filmed in indiana. *this was not made as a video to show cummins is slow so all you idiots that keep talkin about do this to it do that to it chip it spool it just shut up. we did this as a joke*





Chevrolet 2500HD 6.0 Magnaflow 4" Exhaust Dumped
Video of my 2001 2500HD 6.0 with the 3" dual in, 4" single out Magnaflow muffler into 5" dumped tip. Otherwise stock Exhaust, k&n intake, and EFIlive tune.





Flowmaster 50 HD Silverado 2500HD 6.0
Flowmaster catalog number 853558 Truck also has an AFE drop in air filter which may add a little to the sound.




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