Agency Power Plenum & Throttle Body - 996 | Turbo | GT2 (NLA)
Agency Power has just given Porsche 996TT owners another way to get an easy 20 bolt-on horsepower with this new BIG MOUTH plenum and throttle body kit. Agency Power set out to engineer and design a plenum that was functional, did not require additional tuning, and simply… made power! The plenum is 6061 aluminum that retains the same shape as the factory T Pipe. The reason to keep a standard T shape is that the engine works off of pulses. Just like how Porsche designed, Agency Power kept this design and simply improved the restriction, the throttle body. The factory throttle body inlet size is 76mm that then jumps up to a 78mm ID plastic plenum. Agency Power has chosen to use a 78mm Cayenne Turbo throttle body which bolts on and fits to the stock Y Pipe. The plenum now keeps a 78mm ID throughout the system. The T shape plenum features all the necessary vacuum and breather hose ports as stock for a true bolt on application. Each plenum features a CNC machined throttle body flange that includes the necessary recessed gasket for a sealed fit. The complete T plenum is TIG welded and then powder coated gloss black inside and out for a smooth and stealth finish.
Specs/Benefits:
As tested on a 2001 Porsche 996 Turbo, this plenum achieved an impressive gain throughout the entire power band with a peak gain of 20whp and 20ft/lbs of torque. Based upon the dyno graph, the power increase began at the dyno test start of 2500rpm and pulled all the way to the finish of 6500rpm. This kit includes both the plenum and Porsche OEM throttle body to be used on all Porsche 996 Turbo, X50, or GT2 from 2001-2005.
All Agency Power products come with a LIMITED LIFETIME warranty when you fill out this form HERE.
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