The best selling H22 Tri-Y Exhaust Manifold on the market today! 

Private Label Mfg. PLM H-Series Tri-Y features a true step up exhaust design.

The four-piece design delivers low to mid range power while
 maximizing engine compartment space for this exhaust manifold.

This is ideal for all forms of competition; auto-cross, drag racing and road racing.

Recommended for Preludes and H-Series Swap cars such as EG EK DC2 & Accord. Also fit F20B Blue Top engines.

Please note you will need an aftermarket front cross member (traction bar) or notch it off to fit Preludes.

NOTE - Even though our product code says H2B, this header does NOT fit H2B SWAPS.  We do have H2B Swap specific headers available.

  • Brand New In Box
  • Made of 304 Stainless steel
  • One year limited warranty
  • Short tube Tri-Y
  • 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"
  • Four-piece slip fit design