Perrin Top Feed Fuel Rail Kit WRX (2002-2014) STI (2007) BMW Spring Rate/Drop Specs:

Spring Rate/Drop Specs:

Replaces OEM air filter with high flow high performance 360 radial air flow filter

5 5x112 38mm Offset with a polished outer rim

Avid auto-crossers and club sport racers can also use the adjustable length to "pre-load" the front and rear sway bars for even stronger response

Handcrafted in-house

Perrin Top Feed Fuel Rail Kit WRX (2002-2014) STI (2007) BMW Spring Rate/Drop Specs:The PERRIN High Flow Fuel rails for the Subaru WRX and STI are designed to deliver large amounts of fuel equally to each cylinder. Consumers running big horsepower that require large injectors will notice the car runs smoother and is more powerful and tuners can safely push the engine closer to the edge. High Flow & 6 Fittings PERRIN High Flow Fuel Rails incorporate large inside diameter channels for maximum fuel flow. This allows for cars to run 800