These racing manifolds are made with SUS304 stainless steel, Mandrel bent tubing, CNC Machined Flanges. Each set is tested and dyno'd to make sure the fitment and performance meet our goal.

The design maximises low-end power, these are a better setup than the 4-2-1 for SOHC engines

Spec:

• 4-1 Design
• Made out of real T304 stainless steel.
• TIG weld technology.
• CNC Machined Flanges.
• Mandrel Bend Piping.
• 1.75" Primary Tubes and 2.25" Outlet
• Increased 9~15 HP instantly.
• Bolt on system, no modification need.
   

Fitment:

Honda Civic Type R ( EP3 ) 2001+