H&R 11-17 Buick Regal (2WD) E2XX Sport Spring Cooling>Expansion Tanks iDash shows real-time bar graph

iDash shows real-time bar graph of Derringers added power

opening the exhaust path and improving flow dynamics

The new Grams Performance and Design MKIV throttle body features a large 70mm bore

The MTO Series bumper includes sensor holes to retain full functionality of the factory backup sensors

Bilstein EVO Series coilovers are the next step in the evolution of performance suspension tuning

H&R 11-17 Buick Regal (2WD) E2XX Sport Spring Cooling>Expansion Tanks iDash shows real-time bar graphSport 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