Gmmg Flow
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Join Date: Aug 2005
Location: Oneida, IL
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I would think that all the cat back exhaust systems for the F-body are about the same give/take a few hp. But I do know that the GMMG blackbird exhaust system is AWESOME. Anytime I listen to the videos of cars that have the GMMG system, I drool. I'd love to have one of their systems, but I can't justify the price tag. I would spend the money elsewhere.