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Removing the cat on a modern V8 isn't going to give 20hp, let alone on a 1.5L engine. It MIGHT be more like 2-3hp. I'm voting operator error on the dyno - most stone-stock Fit dyno pulls on Superflow type dynos are showing 5MT's putting down 85-95 WHP. Adding 40hp to the wheels is going to take boost or a 50-shot...
HF
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Formerly Fitless...
Now featuring an 08 BBP
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