2004 Pontiac Gto Bolted Up
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Reinstall the factory after-cat and gaskets if necessary, and tighten all the clamps once the exhaust is positioned correctly. However, we'll prototype a '04-'05 rear bumper-conversion exhaust at Stainless Works in our next installment; then we'll put our Goat on the dyno to find out how much power it picked up at the tires! View Related Article
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