Looking for the perfect tuner in Arizona for you new Porsche, Look no further. We stock the latest in the very top brands for your 991, 981 and more. IPE exhausts Cobb AP software tuning, IPD intake plenums BMC intake filters and much more all available. YES we can Dyno all new all wheel drive (AWD) Porsches! Properly! Can't find what you are looking for? Just send us an e-mail info@goodspeedperformance.com
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Featured Products

  GIAC G.I.A.C. 997.2TT 3.8L DFI Performance Software
G.I.A.C. sets the industry standard once again with the release of their Performance Software for the 997.2TT. With gains of +58 crank hp and +40 crank tq, perfect daily driving manners, a silky smooth powerband and the ability to switch programs on the fly, this is the only software worthy of your Porsche. In addition to the standard dyno testing, we wanted to give you another way to measure the benefits of G.I.A.C. Software. With that we took our in-house 997.2TT to the track for some closed course acceleration runs. Our Acceleration Comparison gives you a visual and statistical representation of how a stock car compares to one with G.I.A.C. Software. Extensive dyno and street test...GSP Price:
$3000.00

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  Akrapovic TITANIUM EVOLUTION SYSTEMDISCONTINUED
The Evolution system represents the top line of Akrapovic aftermarket exhaust systems for Porsche's bestseller. The uniquely designed muffler from the Slip-On system with an added lightweight and exhaust flow-optimized link pipe set with bigger tubes fully represents the titanium Evolution exhaust system. This computer-designed system has been created to produce a deep, aggressive sound that transforms the Turbo into a racing machine. This is especially the case after removing the point-welded block in the link pipe that prevents bypassing the muffler. To control the sound level, Akrapovic offers an optional wireless kit. It's up to you when you want to have a polite SUV cruiser or the sound...GSP Price:
$5305.00

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  AMS Performance Alpha Performance Porsche 997.1TT Intercooler KitSKU37941102
Alpha Performance Porsche 997.1TT Intercooler Kit We developed the Alpha Performance Porsche 997.1TT Intercooler Kit to provide you the best air induction cooling solution for your Porsche 997.1TT. Before bringing this intercooler system to market, our goal was set to provide an intercooler system that sacrificed nothing in terms of quality, fitment, aesthetic design and performance. The Largest Intercoolers You Can Get For Your P-Car The Alpha 997 Intercooler System utilizes a pair of 5.5" thick, high volume cores giving you the most power producing option on the market. Each core provides twice the fin density (24 fins per inch) for unmatched cooling. Computer aided design yie...GSP Price:
$3999.95

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  Akrapovic slip-on 911 (991) Carrera Cabriolet /S/4/4S/GTSS-PO991SO-HT
The challenge of designing a system for the 911 is always going to be one of the most demanding. Very little space and short exhaust runs mean that any systems developed have very little space to fit all necessary components. The design team at Akrapovic have been working their magic to produce the new Akrapovic 991 slip on system. The new system features dual note active valve system so at the push of a button the 991's flat six engine can be heard on full song with race inspired sound track. Made from Akrapovic's titanium alloys the new system not only delievers an additional 18 bhp but saves nearly 10kg of weight over the stock Porsche system.GSP Price:
$9500.00

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