4" Stainless Cat Back Single Exhaust Kit

Features:

• 4-inch T409 stainless steel construction
• Complete cat-back single exhaust kit
• Made for the 6.6L LBZ Duramax diesel
• Fits all cab and bed lengths
• Lower EGTs, according to Diamond Eye
• Increased performance and economy, per Diamond Eye
• Includes everything for a complete installation
• Detailed installation instructions included

Open Up The Back End Of Your LBZ With Four Inches Of Stainless

Plenty of Duramax owners consider the LBZ the sweet spot of the lineup, and the factory exhaust is one of the first places to look when you want a working diesel to breathe a little easier. This Diamond Eye cat back kit replaces everything from the catalytic converter back with 4 inch T409 stainless steel tubing in a single exhaust design. According to Diamond Eye, you can expect increased performance, better economy, and lower EGTs, which matters most when you are towing a heavy trailer or climbing a long grade. The kit fits every cab and bed length on 2006 and early 2007 Chevy and GMC 2500 and 3500 trucks, so there is no guessing about which version to order. Everything you need for a complete installation comes in the box, and Diamond Eye includes detailed instructions that walk you through the job from start to finish. That makes it a realistic weekend project instead of a parts hunt. For an owner who wants a complete exhaust upgrade for an LBZ without piecing it together, this kit is built to make the job simple.

A T409 Stainless Cat Back Kit Built Around Every Cab And Bed Length

The Diamond Eye K4122S is a 4 inch catalytic converter back single exhaust kit for 2006 and early 2007 Chevy and GMC 2500 and 3500 trucks with the 6.6L LBZ Duramax diesel. It is built from 4 inch T409 stainless steel, and Diamond Eye sells it as a performance diesel exhaust kit. Because it is a cat back system, it starts at the catalytic converter and runs to the rear of the truck as a single exhaust. The listing covers all cab and bed lengths, which means the same kit applies whether your truck is a short bed or a long bed. Diamond Eye describes it as a complete system and says it includes detailed instructions along with everything needed for a complete installation. According to Diamond Eye, the system delivers increased performance, increased economy, and lower EGTs. Fitment is limited to the 2006 and early 2007 trucks, so the 2007.5 and newer trucks are a different generation and are not covered.

Fitment: 2006, 2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ (2006 and early 2007, Classic body)

Notes:

• Listed for 2006 and early 2007 trucks only, confirm your truck is an LBZ 2007 Classic before ordering, 2007.5 and newer trucks are a different generation
• Fits all cab and bed lengths
• Catalytic converter back kit, it replaces the exhaust from the catalytic converter to the rear of the truck
• Single exhaust design, 4" T409 stainless steel
• Includes detailed installation instructions and everything needed for a complete installation, according to Diamond Eye
• Performance, economy, and EGT claims are manufacturer statements, results will vary
• California Proposition 65 warning applies to this product
  

Install Instructions