Porsche 997 Turbo / Turbo S AMS Alpha Performance Intercooler System 981 GT4 / Spyder (2015-2016) Increases horsepower and torque by

Increases horsepower and torque by 21 whp (wheel horsepower) and 14 ft-lbs

HJS German Sport Cats)

or been removed since the Porsche 964 models are now over 30 years old

Tuned = 620 HP / 600 ft-lbs of torque

The stock exhaust is 2 separate channels from from catalytic converters to tips

Porsche 997 Turbo / Turbo S AMS Alpha Performance Intercooler System 981 GT4 / Spyder (2015-2016) Increases horsepower and torque byAlpha Performance Porsche 997. 1TT Intercooler System We developed the Alpha Performance Porsche 997. 1TT Intercooler System to provide you the best air induction cooling upgrade for your Porsche 997. 1TT. Before bringing this intercooler to market, our goal was set to provide a 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