H&R Sport Springs WRX (2004-2007) STI (2004-2007) Honda Why use Agency Power end

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When tested on a bone stock 2006 350z the Invidia Gemini exhaust gained an impressive +21whp and +22wtq

G37 Coupe: Front -0

Firmer Shifts & even Increased Fuel Mileage

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H&R Sport Springs WRX (2004-2007) STI (2004-2007) Honda Why use Agency Power endThe most popular spring in H&R's line up! H&R Sport Springs for the Subaru WRX STI feature more control and are engineered for the street, making them comfortable and fun to drive. H&R Sport Springs are crafted from a special 54iCr6 spring steel to ensure quality and performance. 04 07 WRX Sedan & Wagon (Drop: F: 1. 4 R: 1. 3) # 54457 04 07 STI (Drop: F: 1. 4 R: 1. 3) # 54457