HRM N55 head port plug kit 5inch while newer models such as

while newer models such as the Audi S3 (8P) can be lowered between 10-40mm due to being much lower from the factory

starting at 89 degrees and ending at 86 degrees

VRSF perfectly balanced intercoolers allow for higher HP gains

Easy install

Each shock is tuned with a progressive rate spring that is engineered from its inception to work with the shock’s valving

HRM N55 head port plug kit 5inch while newer models such asHave a higher boost N55? Our head port plug kit prevents boost pressure from entering the valve cover on the n55 where boost leaks can present themselves at the valve cover or internal diaphragm. *an aftermarket pcv system breather cap is recommended *professional installation is recommended. *intended for off road use only.