Thanks Walt for the advice regarding the 4 inch Exhaust my 1999 Chev K2500 4X4 runs beautifully since my whole Exhaust was replaced,the engine is breathing much better,and I got better gas milleage when that CAT was removed..Next project will be the... ...read more From: Sonny
wow i can feel & hear the tubro !
my 96 gmc 1 ton feels lighter.
thanks for fresh air SSdiesel ...read more From: michael
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