2013 Gt500 Bolt Ons Let It Eat
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Obviously the big, blown 5.8 is moving a lot of air, so Lethal wanted to uncork the exhaust with one of its own midpipes (PN LP-2013GT500ORX; $299) to see how much the stock cats are holding back performance. This pipe is a direct swap for the factory pipe, and definitely opens things up with a 15.43 hp and 11.7 lb-ft of torque at the feet. Of course, as with any hardware change, this mod requires a tune to make it work properly. View Related Article
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