1999 Pontiac Trans Am SLP Performance Parts Test - Trans Slam
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The 400HP Pac adds over 75 hp to a bone-stock LS1. With the additional power, we didn't want to chance creases in the quarter-panels while strip-testing. We needed a stiff chassis for consistent strip-test results without any unibody flex. SLP's bolt-in subframe connectors tie the front and rear of the car together with additional crossbracing to minimize T-top and dash rattles. View Related Article
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