4-2-1 equal length design broadens midrange RPM range for increased horsepower and torque
Maintains strong top-end power output with minimal torque dip
Modular construction fits both OEM and aftermarket exhaust pipes
304 stainless steel tubing and 1.75 inch primaries for durability and corrosion resistance
Optional thermal ceramic coating reduces engine bay heat and protects components
Summarized by Shop
JDL FT86 4-2-1 Equal Length Header
Looking to maximize mid-range horsepower and torque for the track? Look no further because JDL Auto Design has you covered. Even better is this header still maintains solid top end power for those long straights. The FA20 known for its "torque dip" is virtually eliminated with any JDL header but the 4-2-
Material
304 stainless steel tubing
Primary Diameter
1.75 in
Secondary Diameter
2.00 in
Outlet Diameter
2.50 in
Convergent Merge Collectors
15
Includes
Gasket and hardware for header-to-over pipe connection