Although best practices include replacing these crush pipes with full size tubing, our intent here is to show you what’s possible and what to expect when tuning your LT1 Camaro. We were surprised to see that our customer’s Whipple powered LT1 made good power in spite of the factory crush pipes. The shape of the power curve showed that the crush pipes weren’t a restriction, because power was still trending upwards at a similar rate to cars we’ve tuned with crush pipes removed.
Moral of the story is: Replace the crush pipes with full sized tubing if you can but don’t lose much sleep if it’s not in the cards. You’re not leaving much power (if any) on the table at this power level.
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