ProSport Subaru 3-Bolt Unequal Headers WRX / STI

Description:
Prosport headers are a work of art, you might be 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 uppipe which uses our exclusive 3 bolt flange design between the manifold and uppipe providing a stable connection without air leaks. With a jaw dropping 45 mm inner pipe diameter you can be sure your spent exhaust will exit in a hurry.

Features:
- Piping Material = T304 Stainless Steel (OEM is cast Iron)
- Flanges Material = T304 Stainless Steel
- Main Pipe Diameter = 45 mm
- Exit Pipe Diameter = 60 mm (OEM is 42.7 mm)
- Pipe Thickness = 2.5 mm
- Weight = 20.28 lbs (OEM is 29.32 lbs)
- 13ft/lbs Torque and 11 Horsepower to the wheels
- Keeps Subaru Rumble

Includes:
- UnEqual Length Manifold
- 3-Bolt Up-pipe
- 3 Bolt Gasket
- Hardware

Applications:
2004-2007 STI
2008-2014 WRX
2008-2014 ST
2015-2021 STI
2004-2008 Forester XT
2005-2009 Legacy 2.5L
2008-2009 Outback XT