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The Perrin Performance Equal Length Subaru WRX and STi Header has quickly become one of the most popular Subaru aftermarket header choices due to proven power gains of up to 30 wheel horsepower and 30lbs of torque on a slightly modified STi! The Perrin manifold is a true equal-length WRX & STi header constructed of 304SS.
The Perrin Performance WRX & STi header is designed to make large power gains without sacrificing low-end power. Flanged for a stock uppipe, the Perrin header is compatible with stock-location uppipes, including those included with rotated-mount turbo kits, making the Perrin manifold an excellent choice for big-turbo Subarus.
The Perrin Performance equal-length header is designed for the 2.5 liter 04-20 STi, 2006-14 WRX, and 05-08 Legacy GT, but it will fit the 02-05 WRX with the purchase of a 2.5L oil pan. If you are looking for huge power gains, this is the header for you.
This does NOT fit the FA20 Subaru WRX.
Notes:
02-05 wrx requires 2.5l sti oil pan (on some)
06-07 wrx requires sti oil cooler and sti oil pan
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CONTROLLED MOTOR VEHICLE.
Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.
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