H&R Sport Springs STI (2008-2014) Variations:H&R Sport Springs STI Sedan (2011-2014) This one-piece airbox uses factory

This one-piece airbox uses factory mounting locations for a hassle-free installation

2L (1996-1999) F: 1

- Grounding Strap Mount - Retains all factory functionality

StopTech stainless steel brake lines are a great upgrade for your Mazdaspeed3

RaceComp Engineering Yellow spring rates are an aggressive 350 lbs/in front and 330 lbs/in rear that match the new OEM valving on the 2015+ WRX

H&R Sport Springs STI (2008-2014) Variations:H&R Sport Springs STI Sedan (2011-2014) This one-piece airbox uses factoryThe most popular spring in H&R's line up! H&R Sport Springs for the Subaru STI feature more control and are engineered for the street, making them comfortable and fun to drive. For the STI, H&R Sport Springs are crafted from a special 54iCr6 spring steel to ensure quality and performance. FITMENT and Estimated Lowering: STI 2008 2010 F: 1. 0" R: 1. 0" Part number 54464 STI 2011 2014 F: 1. 1" R: 1. 2" Part number 54465