H&R 05-12 Porsche 911/997 Carrera Coupe/Cabrio Sport Spring (Non Eurosport/Okay w/PASM) Wheel and Tire Accessories>Lug Nuts BORLA® testing reveals power increases

BORLA® testing reveals power increases that most likely are a direct correlation to the increased air flow the BORLA® system exhibits

Please note: this version is known to get rowdy in the mid-range and during cruising speeds

Updating the protection to the UHMWPE rope in the ARB soft shackle

now featuring an easy-to-install

H&R 05-12 Porsche 911/997 Carrera Coupe/Cabrio Sport Spring (Non Eurosport/Okay w/PASM) Wheel and Tire Accessories>Lug Nuts BORLA® testing reveals power increasesSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's