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tomoro

Cutout With Boost ?

Cut outs can most definitely cause you to go lean....seen it on several boosted keeps. Send a log with afr to your tuner.

 

 

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I have cutouts on my car and a maggie and somewhere I have dyno sheets (have to dig them out) that were done, one with cutouts open and then closed. there was a a difference in both HP and TRQ. It wasn't a huge difference but I am sure that on the track it would be what you are seeing especially hauling these big ass pigs down

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We've seen big changes on boosted application from removing the exhaust or opening cutouts. Most of the time if not always you will need a separate tune for your open exhaust.

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