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This axle-back system is installed on the exhaust piping downstream of the rear axle
Reduces weight over factory system by eliminating muffler
The installation does not require splicing wires or any modification of the vehicle’s electrical system
which helps drop outlet air temperatures by 20 F over the stock intercooler
LEFT SIDE ONLY
H&R 11-14 Subaru STi Sedan Sport Spring - 54465 Programmers & Tuners This axle-back system is installedSport 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
