Another Flowmaster Question...Please Respond

[Rick 91GT]

I personally didn't notice a larg4e drop of power or torque when I added the Off Road H and cat back to my stock motor. Althought I do agree with the back pressure comments, a Flowmaster needs 13" of pipe after it to get the proper flow from their mufflers, all per Flowmaster. I personally like my MAC's much better then the American Thunder system I had, they fit like crap and rusted after a short time, my MAC still looks new after 2 years or so and the fit was great, just my .02 .

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