2002 Chevy Silverado 2500HD 6.0L V8 True Dual Exhaust w/ STRAIGHT PIPE!
5:26
2001 Gmc 2500hd 6.0L gas 3" true dual exhaust with Dynomax 6" round ultra flo mufflers "No cats"
14:42
Sierra gets CAT-BACK TRUE DUAL STRAIGHTS! *PERFECT 5.3 EXHAUST*
5:38
Chevy Silverado SS 6.0L V8: Magnaflow vs Straight Pipe!
6:28
2002 Chevy Silverado 2500 HD Duramax Very Long Term Update
6:52
MBRP Quiet Tone vs Magnaflow 14771 4" muffler on Chevy Silverado 2500HD 6.0L
9:21
8" Cherry Bomb Glasspack Sound Tests - 2002 GMC Sierra - 5.3 V8
11:15
Chevy 2500 Pickup 6.0L Elgin 1839 Long Tube Headers Dyno Testing
9:21