Colorado Flowmaster 40
2007 Chevy Colorado Z71. All stock, just added the Flowmaster 40.
Chevrolet Colorado 3.5L with Flowmaster Super 44
2005 Chevrolet Colorado Z71 3.5L I5 with Flowmaster Super 44 Series muffler. No other mods.
FLOWMASTER SUPER 44 CHEVY COLORADO
I just got it a few days ago so it should sound more throaty after a few hundred miles
Chevy Colorado w/Flowmaster 40 duals
2004 Chevy Colorado 2.8l 4-cyl Catco. high-flow cat Flowmaster 40 Series muffler (single in, dual out) 4 inch tips