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2005 Pontiac Grand Prix Exhaust, Mufflers & Tips

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Latest Customer Reviews

Magnaflow Exhaust Systems Reviews


GXP Magnaflow

Reviewed By Elisabeth M (Rochester, MN) Reviewed for a 2005 Pontiac Grand Prix —5/20/2012 3:26 PM

Awesome product! Love it! Sounds just as its described! The installation was very easy, except that I had to buy a new gasket that goes between the cat and the resonator, and some bolts for that also. Other than that, its great!

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Doug Thorley Headers Reviews


Great performance gain

Reviewed By steve g (HIGHLAND, IN) Reviewed for a 2008 Pontiac Grand Prix —3/8/2017 8:21 PM

Great gain in performance, but did add a little more noise from exhaust.

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Magnaflow Catalytic Converters - 50 State California Legal Reviews


Great Product for a great price!!!!

Reviewed By Daniel B (LONG BEACH, CA) Reviewed for a 1999 Pontiac Grand Prix —5/11/2016 1:21 AM

Item was shipped fast. After opening the box, the downpipe looked beautiful. Nice welds all around and was even supplied w/gaskets (however I would have liked the gasket that goes from the exhaust manifold to the downpipe to have "ears." This would have helped w/installation). Nevertheless, installation was quick and simple. 4 bolts along w/replacing the O2 sensor. What I love most about this product is that it eliminated the "U Bend" that the stock downpipe had. Do not regret spending $500.

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