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Maximizer Header 64-72 Pontiac GTO 326-455CID 4Pc. M. Tube Round Ports

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Calculated at checkout

Product Description


  • Maximizer High Performance™ 304 Grade Stainless Steel Header 

Application Fit For:

  • 1964-1972Pontiac GTO 326-455 V8


  • CNC-machined 3/8" flanges
  • Long-tube: 1 7/8" tube, 3 1/2" collector

General description:

  • Dyno tested and proven increase horse power
  • High quality sand blast polished 304 grade stainless steel
  • Mandrel bend for ultra smooth fast flow
  • Computer Numerical Control (CNC) machined flange for precision fitment
  • Dual Tungsten Inert Gas (T.I.G.) welding for stronger hold
  • Included all accessories shown on the photo
  • No installation instruction included in this kit
  • Manufacturer's backed limited lifetime warranty against manufacturing defects(Must fill out and return warranty card with a copy of the receipt and within 30 days of purchase date)




“For off-road competition/racing use only. This product is not intended to be installed on vehicles registered for highway use. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES THAT MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.”


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