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Guaranteed to Fit2018 GMC Sierra 1500 Change Vehicle

Dynomax®
2018 GMC Sierra 1500 - Exhaust System, 5.3/4.3L Engine, Crew Cab Pickup/78.8 In. Bed, Extended Cab Pickup 69.3 In. Bed

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$521.49
Manufacturer #39529
Guaranteed to Fit2018 GMC Sierra 1500 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2018 GMC Sierra 1500
Base
8 Cyl 5.3L
78.8 in. Bed, Crew Cab Pickup
2018 GMC Sierra 1500
SLT
8 Cyl 5.3L
78.8 in. Bed, Crew Cab Pickup
2018 GMC Sierra 1500
SLE
8 Cyl 5.3L
69.3 in. Bed, Crew Cab Pickup
2018 GMC Sierra 1500
SLE
6 Cyl 4.3L
69.3 in. Bed, Crew Cab Pickup
2018 GMC Sierra 1500
Base
6 Cyl 4.3L
78.8 in. Bed, Extended Cab Pickup
2018 GMC Sierra 1500
Denali
8 Cyl 5.3L
78.8 in. Bed, Crew Cab Pickup

Highlights

Brand:
Material:
Made of Stainless Steel
Series:
Ultra Flo Welded Series
System Type:
Cat-Back
Quantity Sold:
Kit
Warranty:
Lifetime Dynomax limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is 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.

Exit Location:
Exit: After Rear Tire (Passenger Side)
Main Piping Diameter:
3 in. Main Pipe
Product Fit:
Direct Fit
Recommended Use:
Performance Replacement
Fitnotes:
78.8 in. Bed, Crew Cab Pickup,69.3 in. Bed, Crew Cab Pickup,78.8 in. Bed, Extended Cab Pickup

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2014-2018 Chevrolet Silverado 1500
High Country
8 Cyl 5.3L
78.9 in. Bed, Crew Cab Pickup
2014-2018 Chevrolet Silverado 1500
LT
8 Cyl 5.3L
69.3 in. Bed, Crew Cab Pickup
2014-2018 Chevrolet Silverado 1500
LT
6 Cyl 4.3L
78.9 in. Bed, Crew Cab Pickup
2014-2018 Chevrolet Silverado 1500
LTZ
8 Cyl 5.3L
69.3 in. Bed, Crew Cab Pickup
2014-2018 Chevrolet Silverado 1500
WT
6 Cyl 4.3L
78.9 in. Bed, Crew Cab Pickup
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Product Information

DYNOMAX – ULTRA FLO WELDED SS EXHAUST SYSTEMS

Dynomax’s Ultra Flo Welded SS cat-back exhaust system will not only boost your image with its polished stainless finish, but is dyno-proven to dramatically increase your vehicle’s power and performance with style and a deep, cool tone. Dynomax is a world leader in the performance exhaust space, manufacturing products held to the highest engineering standards and backed by extensive research and development.

  • 100-percent welded
  • Highly polished finish
  • Backed by a limited lifetime warranty
  • Improved exhaust flow (dyno proven)
  • Interior fiberglass matting absorbs annoying resonance while maintaining aggressive tone
  • Improves torque and horsepower as well as mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Includes all necessary hardware
  • Direct fit
  • Legal in all 50 states
  • Straight design means exhaust flows freely and backpressure is gone
  • Uses stock hanger/mounting locations
Need help?Call our product expert1-866-529-0412
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Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Customer Reviews