PLM Power Driven 4-1 Drag Header - H22A/F20B
Private Label MFG Power Driven H-Series header features a true 4-1 merge for equal exhaust flow. This one piece design delivers the best HP performance while still utilizing your factory OEM Catalytic converter (CAT).
This Exhaust manifold was intended for regular H22 swaps and not H2Bs. Requires use of half size radiator and may require some sump modification for clearance. Custom radiator setup required for installation in Accord/Prelude - some subframe modification may also be required.
Features:
- Made of 304 Stainless steel
- One year limited warranty
- True 2.5"" collector
- Machined CNC-ed manifold flange
- Flange is .38"" which is just about 3/8"" thick
- 18G on the 304 S/S. Measured at .049"" to .050""
- One piece design
Note: Some slight massaging of oil pan may be required - Modification will be needed to make this fit H2b kits.