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Maximizer High Performance Stainless Steel Catback Exhaust System For 2003-2006 HUMMER H2 6.0L SUV/SUT

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Product Description


  • Maximizer High Performance™ Stainless Steel Catback Exhaust(11pcs)


  • 2003-2006 Hummer H2 6.0L


  • Piping: 3" OD Tapers Down To 2.4" OD
  • Inlet: 2.5" ID
  • Tip Diameter: 4.5" OD
  • Mirror Polished Finish
  • Wall Thickness: 16 gauge
  • Flange Thickness: 0.40"


  • Increase performance and horsepower
  • Made quality materials for longevity and durability
  • Dual T.I.G. welded for stronger hold
  • CNC machined flanges for precision fitment
  • Mandrel bent pipes for faster smoother exhaust flow
  • Include all accessories shown on the photo
  • All systems are built with the highest quality care and detail
  • Don't compromised Quality Assurance 
  • Extremely competitive pricing that won't break your bank
  • No installation instruction with this kit, we recommended professional installation
  • Product is intended to be install to original stock exhaust, any modification or upgrade to it may cause fitment issues
  • Manufacturer's warranty against manufacturer defects (Must fill out and return warranty card with a copy of the receipt and within 30 days of purchase date)


Some product(s) are for off-road or show car purposes only.  Some of the products may not be suitable for regular driving conditions.  Product sold does not carry DOT, SAE or CARB approval. We are not responsible for any misuse of the products.  Use at your own risk.

No refund, exchange or replacement for products relating to electrical, fuel and store clearance items.

All automotive manufacturers listed in this page such as name of vehicles; makes, models, engine codes, and chassis codes are the registered trademark of its respective original equipment manufacturer and are used for reference purposes only.

We distribute tuning parts for use in the equipment of various manufacturers. Our company and the parts contained herein are not sponsored, affiliated, associated nor otherwise connected in any way with any automobile original equipment manufacturers named in this web site/page.

Trademarks, service marks and trade names of OBX Racing Sports Parts™ use in the site are trademarks or registered trademarks of respective brand of OBX Racing Sports™

“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.”

Note for buyers from the following locations: Alaska (AK), Hawaii (HI), Puerto Rico (PR), Guam (GU), Northern Mariana Islands (MP), US Virgin Islands (VI) &
All United States Military Bases, AA, AE, AP.
We reserve the right to cancel orders if buyers from the above locations do not contact us for a shipping quote.
Free shipping only applies to package shipping to the lower 48 United States!

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