Subaru WRX Headers-Unequal

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02-14 WRX & STI Be sure to check out the dyno results sheet. Our header & up-pipe added 13ft/lbs Torque and 11 Horsepower to the wheels!! Our headers are a work of art, you might b e tempted to just hang them on the wall and stare at them all day! They are fully constructed out of T304 stainless steel, including the flanges! This set INCLUDES the pictured up-pipe which uses our exclusive 3 bolt flange design between the manifold and up-pipe providing a stable connection without air leaks. With a jaw dropping 45mm inner pipe diameter you can be sure your spent exhaust will exit in a hurry. You have to see this header in person to appreciate it, the welds are just incredible! This Subaru exhaust header includes 5 up pipe-to turbo studs, and one up pipe-to-header nut and bolt. (You'll re-use the other two bolts from your factory manifold.) Application: 2002-2014 WRX & STI Show more