4 Inch Cat Back Exhaust System For 01-05 Silverado/Sierra 2500/3500 Duramax Ext/Crew Cab Single Side Aluminized Steel MBRP

Regular price $648.52 Sale price $524.99
13 in stock

THE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great choice for you if you live in a dry climate that doesn’t see much precipitation, or if you’re looking for great sound on a budget. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine’s cylinders, allowing it to produce more power and improve vehicle performance and longevity. Part numbers ending in P and PLM carry a 1-year warranty. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.

Aluminized Steel 4 Inch Cat-Back Single Side Exit with Mirror Polished Tip


  • 2001-2005 Chevrolet Silverado 2500/3500 Extended Cab/Crew Cab 6.6L Duramax
  • 2001-2005 GMC Sierra 2500/3500 Extended Cab/Crew Cab 6.6L Duramax


  • Smoother Exhaust Flow
  • Enhanced Exhaust Tone
  • Bolt-on Installation
  • 5 Inch OD Tip Included

Note: Cutting may be required for installation

MBRP Exhaust: Behind these walls are people as obsessed as you with the quest for the ultimate in performance exhaust. For over fifteen years MBRP has been delivering performance enthusiasts the most in power, the most in product quality and the most in customer responsiveness. For the future, MBRP is determined to provide the highest fill rates in the industry, offer the most complete line of exhaust for diesel and sports truck enthusiasts and to be always pushing upward the definition of performance

Duramax LB7
Duramax LLY
  • 2001-2002 GMC Sierra 2500 HD SL
  • 2001-2002 GMC Sierra 3500 SL
  • 2001-2005 Chevrolet Silverado 2500 HD
  • 2001-2005 Chevrolet Silverado 2500 HD LS
  • 2001-2005 Chevrolet Silverado 2500 HD LT
  • 2001-2005 Chevrolet Silverado 3500
  • 2001-2005 Chevrolet Silverado 3500 LS
  • 2001-2005 Chevrolet Silverado 3500 LT
  • 2001-2005 GMC Sierra 2500 HD SLE
  • 2001-2005 GMC Sierra 2500 HD SLT
  • 2001-2005 GMC Sierra 3500 SLE
  • 2001-2005 GMC Sierra 3500 SLT
  • 2002-2005 GMC Sierra 2500 HD
  • 2002-2005 GMC Sierra 3500
  • 2003-2005 GMC Sierra 2500 HD WT
  • 2004-2004 Chevrolet Silverado 3500 WT
  • 2004-2005 Chevrolet Silverado 2500 HD WT
  • 2004-2005 GMC Sierra 3500 WT

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.