A pleasant suprise!!

hoseclamp

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Before I bought my '10 acr, one of the salemen mentioned there's 5 grand of exhaust in the car already, I decided to double check today, and turns out it has a full Belanger system, headers, cats, full exhaust, just saved me 5 grand, excellent!! The owner of the local dealership had some road time in this acr, found the exhaust too mild I guess:) Looking at different intakes, not too many but a few out there, I can't find tuning for a '10 acr with these mods. Do I have anything to worry about with a full exhaust/intake in the acr without tuning to compensate the extra flow?
 

JonB

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Hold on here, even though there's claimed gains, why do we stay with stock air box, please explain!

Believe it or not, the Gen 4 TBs dont even open fully at WOT. Max power is made at the throttle position as set by the MoPar PCM, with 93+ octane. Smoothe-tubes and/or KN airbox MAY make a few more HP, or more CFM, but so small it cannot be +/1 1.5% of dyno accurancy. This is a VERY SEARCHABLE topic, many threads about it. And as noted, ideally suited to en aftermarket exhasut on a Gen 4..almost mandatory to use that PCM.

JonB~~~~:<~
 
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hoseclamp

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Well that was a lot of searching, found some good info but didn't see a graph other than k+n's odd dyno output. Ecu and ported manny for sure, and I'll be bugging snow performance on setting up a stgIII kit, if its at all possible with dual intakes and Tb's. Thanks for all the info guys!
 
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