Invidia N1 Dual Catback Exhaust WRX (2011-2014) STI (2008-2014) Hatchback Speedwell Wheels NGK Racing spark plugs are

NGK Racing spark plugs are intended for high horsepower applications and should only be considered when running at least 100hp over stock

This really adds that final touch to your engine bay and will replace that factory eye sore of a oil cap

304 stainless steel tubing and uses thick flanges for added strength and to ensure a leak free seal

but has a newly designed end cap which allows it to function properly with the AWD fuel tank

Invidia N1 Dual Catback Exhaust WRX (2011-2014) STI (2008-2014) Hatchback Speedwell Wheels NGK Racing spark plugs areInvidia now offers their Dual N1 Single Layer SS Tip Catback Exhaust for the new STI (08+) and WRX (11+) Hatchback. Each system features their polished SUS304 stainless steel construction, mandrel bent piping, CNC machined flanges and excellent fitment Invidia is known for. In addition to quality construction, each Invidia N1 was designed to deliver increases in horsepower and torque throughout the rpm range. Specs: Pipe Size 76 mm Single Layer