Twin Turbo Pontiac G8 GT with 557HP by APS


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Air Power Systems (APS) set out to deliver a thoroughly engineered high horsepower intercooled twin turbo system for the new Pontiac G8. With over 25 years of turbocharging and intercooling experience, they have possibly produced the ultimate intercooled twin turbo system for the Pontiac G8.

A straight forward bolt on totally engineered system that utilizes the latest in water cooled turbocharger technology and with the industry’s largest bar and plate intercooler, APS delivers a system that results in outrageous power and torque right across the entire RPM range.

With each turbocharger tucked up under the chassis, heat is channelled away from the engine compartment for high engine durability and consistently high engine performance. With the APS stealth Twin Turbo configuration, under bonnet air temperatures are a fraction of traditional turbocharger designs.

APS has designed and manufactured a custom configured, vertical flow high efficiency intercooler utilizing custom designed light weight cast aluminium end tanks.

The true dual entry design of the APS intercooler system allows for the ultimate in true equal length balanced ducting from each turbocharger to the intercooler. This ensures the optimum utilisation of the intercooler core by spreading the charge air from each turbocharger evenly across the entire intercooler core.

The APS specified TIAL external wastegates deliver a dedicated path for the diverted exhaust gas to bypass the turbocharger’s turbine, hence creating the physical basis for a highly responsive and extremely stable boost management strategy that is designed to bypass massive amounts of exhaust gas from each turbocharger.

Power and torque at the wheels. Australian Specification HSV, Manual trans, Twin 3″ Exhaust, 93 (R+M)/2 octane fuel (East Coast fuel blend).


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6 Responses to “Twin Turbo Pontiac G8 GT with 557HP by APS”

  1. derek said on May 24th, 2008 at 8:17 pm

    how much is the twin turbo kit where do i get one

  2. derek said on July 9th, 2008 at 11:40 pm

    im interested in twin turbo kit for my g8 do you guys sell a kit

  3. michael said on September 13th, 2008 at 11:23 am

    hey i am looking for a twin turbo kit for my gt g6 where can i get one?

  4. retards said on September 24th, 2008 at 11:26 pm

    This IS not a KIT, its the Holden Commmdore, do not give anyone any money, this isnt a G8 its similar but thats it. I hope whoever is trying to sell this or brag, is going to die cus this is only in Australia and for the Commdore.

  5. timbo said on January 28th, 2009 at 10:05 pm

    buddy, it is a Commmdore, but if you read the article the turbo system “Air Power Systems (APS) set out to deliver a thoroughly engineered high horsepower intercooled twin turbo system for the new Pontiac G8.” so yer, your right on the car, but not on the kit.

  6. G8 and Commodore said on January 2nd, 2010 at 11:42 am

    They are the same care and the same chassis different names and badging. Same has been for alot of other GM cars over the years.