H&R 2011 Porsche Boxster Spyder Sport Spring Engine Components>Head Stud & Bolt Kits A mitered merge is used

A mitered merge is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower

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Borla(r) Cat-Back(tm) & Axle-back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower

The zinc coated and threaded body design will give you the flexibility to find the perfect ride height setting for your intended use while providing unsurpassed protection against the harshest road elements

using the exciting sensory feedback of sound

H&R 2011 Porsche Boxster Spyder Sport Spring Engine Components>Head Stud & Bolt Kits A mitered merge is usedSport 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