Agency Power SS Performance Headers (996 Carrera / GT3)
Designed to Fit:
- 1999 - 2004 Porsche 911 Carrera / C4S (3.4L & 3.6L)
- 2004 - 2005 Porsche 911 GT3
The AP headers are 321 stainless steel. Each header is fully polished with robotic welds. The headers have very strong and precision cut 1/4 inch flanges. The Agency Power headers mount and fit to the factory cat pipes or aftermarket ones. Agency Power designed the headers to change the sound of the Porsche, increase air flow, and improve horsepower. During dyno testing, the headers made almost 5 wheel horsepower. On a Normally Aspirated 996 or 997, this is about average gains for a header kit. Every bit helps and this product is priced and tested to give you that extra advantage.
About Agency Power
Agency Power Industries LLC was developed out of the need to provide quality, functional, and fashionable racing products. Starting from sway bar endlinks for the Subaru WRX back in 2003, Agency Power now has and in-depth number of parts for cars ranging from Porsche, BMW, Ferrari, Subaru, Mitsubishi, Nissan and many more. Based out of Gilbert, Arizona, Agency Power has established itself as one the core aftermarket companies for niche tuner products. Agency Power is constantly developing new functional and race proven products. With dealers worldwide, the AP brand is recognized and trusted. Beyond the USA, Agency Power can be found in regions such as Singapore, Canada, Australia, South Africa, Russia, United Kingdom, and other parts of the EU.
Innovative products such as multi adjustable control arms, valvetronic exhaust systems, and carbon fiber intakes kits, give Agency Power an edge to truly make a difference on your performance vehicle. Agency Power manufacturers its products only after in-depth product testing, racing, and quality checks are completed. Products like our full titanium Porsche exhausts, Ford Focus ST intercooler, and FRS/BRZ control arms are at the front of the competition. AP parts have been featured in magazines, videos, and customer competition events worldwide.