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Your Mazda will never be the same with Gibson’s Dual Extreme Exhaust System. Your vehicle will acquire experience gains on average of 15-20 horsepower, an impressive exhaust tone and better street looks. Each exhaust system features a fully welded, baffled and chambered Superflow TM Muffler, a polished stainless steel slash tip and zinc plated factory style hangers and heavy-duty clamps. Buy your Gibson Dual Extreme Exhaust System here at a very low price, free shipping and backed by a Limited Lifetime Warranty.