2011-2013 GM 6.6L Diesel LML Duramax

Magnaflow Cat Back Exhausts GMC Duramax 11-13

Features:

  • Magnaflow Cat-Back Exhaust System adds more horsepower and torque to your GMC Duramax Truck
  • Manufactured and engineered to fit its specific year, model and make
  • Variety of Cat-Back Exit Systems available
  • 100% Stainless Steel
  • Each Cat-Back Exhaust features an 0.5’’ overlapped welding that increases its durability
  • Reduce engine heat and improves efficiency
  • Gives your GMC Duramax a smooth tone

Magnaflow Diesel Exhausts

Click on The Logo to Learn More

Select Your Magnaflow Cat-Back Exhaust for GMC Duramax 11-13

2011-2013 Duramax-Black Series Filter-Back Exhaust
  - MAG-17024

Product Info:

Dimension:
Tubing O.D. Size: 4in.
TIP O.D. Size: 5in.
TIP Quantity: 1
Single/Dual: Single
Exit Position: Single Passenger Side Rear Exit
Install Sheet: Click to view.
Exit Type

Vehicle Info:

  • Engine: V8 6.6L (DIESEL)
  • Cab: Extended-Crew Cab/Short-Long Bed
  • Silverado/Sierra 2500HD/3500
Price: $775.78 Sale Price: $705.25
    

2011-2013 Duramax-Black Series Filter-Back Exhaust
  - MAG-17025

Product Info:

Dimension:
Tubing O.D. Size: 4in.
TIP O.D. Size: 5in.
TIP Quantity: 2
Single/Dual: Dual
Exit Position: Dual Same Side Behind Passenger Rear Tire
Install Sheet: Click to view.
Exit Type

Vehicle Info:

  • Engine: V8 6.6L (DIESEL)
  • Cab: Extended-Crew Cab/Short-Long Bed
  • Silverado/Sierra 2500HD/3500
Price: $1,015.72 Sale Price: $923.38
    

2011-2013 Duramax-Black Series Filter-Back Exhaust
  - MAG-17026

Product Info:

Dimension:
Tubing O.D. Size: 4in.
TIP O.D. Size: 5in.
TIP Quantity: 2
Single/Dual: Dual
Exit Position: Single Passenger Side Rear Exit
Install Sheet: Click to view.
Exit Type

Vehicle Info:

  • Engine: V8 6.6L (DIESEL)
  • Cab: Extended-Crew Cab/Short-Long Bed
  • Silverado/Sierra 2500HD/3500
Price: $627.40 Sale Price: $570.36
    

2011-2013 Duramax-Black Series Filter-Back Exhaust
  - MAG-17027

Product Info:

Dimension:
Tubing O.D. Size: 4in.
TIP O.D. Size: 5in.
TIP Quantity: 2
Single/Dual: Dual
Exit Position: Dual Same Side Behind Passenger Rear Tire
Install Sheet: Click to view.
Exit Type

Vehicle Info:

  • Engine: V8 6.6L (DIESEL)
  • Cab: Extended-Crew Cab/Short-Long Bed
  • Silverado/Sierra 2500HD/3500
Price: $1,057.88 Sale Price: $961.71
    

2011-2013 Duramax-Pro Series Filter-Back Exhaust
  - MAG-17908

Product Info:

Dimension:
Tubing O.D. Size: 4in.
TIP O.D. Size:
TIP Quantity:
Single/Dual: Single
Exit Position: Single Passenger Side Rear Exit
Install Sheet: Click to view.
Exit Type

Vehicle Info:

  • Engine: V8 6.6L (DIESEL)
  • Cab: Extended-Crew Cab/Short-Long Bed
  • Silverado/Sierra 2500HD/3500
Price: $479.19 Sale Price: $435.63
    

2011-2013 Duramax-Pro Series Filter-Back Exhaust
  - MAG-17910

Product Info:

Dimension:
Tubing O.D. Size: 5in.
TIP O.D. Size:
TIP Quantity:
Single/Dual: Single
Exit Position: Single Passenger Side Rear Exit
Install Sheet: Click to view.
Exit Type

Vehicle Info:

  • Engine: V8 6.6L (DIESEL)
  • Cab: Extended-Crew Cab/Short-Long Bed
  • Silverado/Sierra 2500HD/3500
Price: $485.05 Sale Price: $440.95
    

2011-2013 Duramax-Pro Series Particulate Filter-Back Exhaust
  - MAG-17995

Product Info:

Dimension:
Tubing O.D. Size: 4in.
TIP O.D. Size: 5in.
TIP Quantity: 2
Single/Dual: Dual
Exit Position: Dual Same Side Behind Passenger Rear Tire
Install Sheet:
Exit Type

Vehicle Info:

  • Engine: V8 6.6L (DIESEL)
  • Cab: Extended-Crew Cab/Short-Long Bed
  • Silverado/Sierra 2500HD/3500
Price: $687.68 Sale Price: $625.16