Thread: FireFly or GAS-U pipes for Superformance
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Old 06-06-2017, 08:20 AM
KirkV KirkV is offline
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Join Date: Jul 2011
Location: Peoria Illinois, il
Cobra Make, Engine: Superformance #678
Posts: 264
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I put Ron's firefly exhaust on my 393 stroker SPF this year and the car loves them. The engine definitely breaths easier and runs better. I have not dyno checked the car but there is no doubt it picked up some ass lol.
Pricey but worth it in my opinion.
Great shipping and packaging and the rear mount is seriously built well and you will need to remount the rear support on the frame..... drill 2 holes.
Included new gaskets also.
Kirk
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