Brand New J37A4 Intake Manifold Honda Civic Si 8th Gen (2006 - 2011) increases the diameter of the

increases the diameter of the crossover pipe

Elevate your track-ready Honda Civic Type R FK8 2

The design has an increased cross section with smooth taper that is matched to the oval-shaped turbo side opening

along with the inherently low thermal conductivity of carbon fiber through its thickness

25 X 20mm Flange Bolt (HFB00002)

Brand New J37A4 Intake Manifold Honda Civic Si 8th Gen (2006 - 2011) increases the diameter of theFITS: J Series 9th Gen Honda Accord 2011 2013 Acura MDX Brand new J37 Intake manifold. This is the J37A4 intake manifold which uses the bigger throttle body such as the ZDX, 09 14 TL SH AWD, and 11 13 Acura MDX.