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Question on power increase for porting,intake,exhaust, etc.

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Old Apr 12, 2008 | 05:58 PM
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Question Question on power increase for porting,intake,exhaust, etc.

Hello to all RX'ers!

I had a few questions regarding the performance increase on a number of upgrades.

I am interested in a friends 3rd gen RX-7 that has the following upgrades from Peter Farrell: Street Porting, PFS Intercooler, PFS Exhaust, High Performance Computer tuned for 10psi and 17psi. What kind of horsepower and torque at the wheels does this car make in your best estimate?

It has the stock air intake. Would it be any better with an aftermarket one?

Also, what kind of power increase does just an aftermarket air intake and exhaust give, with everything else stock?

Thanks to all!
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Old Apr 12, 2008 | 07:23 PM
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Intake maybe 15hp tops, depending on mod's. I would guess 280-340hp?
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Old Apr 12, 2008 | 07:42 PM
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at 17psi i would say its closer to 400whp on the stock twins.
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Old Apr 13, 2008 | 12:28 AM
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this thread has some good info
https://www.rx7club.com/3rd-generation-specific-1993-2002-16/faq-3rd-gen-other-useful-links-68640/

Especially this post from that thread
https://www.rx7club.com/showpost.php...35&postcount=5
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