Chevy colorado 3.5L magnaflow no cats

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chevy colorado no cats and flowmaster 40
2007 Chevy Colorado I5 3.7 no cats flowmaster original 40 dual exit





LM7 Colorado vs Turbo 3.5 Colorado
LM7/T56-longtubes only 3.5-turbo 11psi auto





5 cylinder Colorado on dyno Shoots Flames (watch closely)
My buddy's truck on the Dyno pulled 220hp watch carefully you can see flames from.the Exhaust in front of the rear tire





05 Chevy Colorado i5 no muffler
Cat only no muffler




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