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5.3L Cat-Back Single Exit Exhaust Upgrade System with Polished Tip

5.3L Cat-Back Single Exit Exhaust Upgrade System with Polished Tip

GM Part #23442234

MSRP$1,195.00*

Give your vehicle a throaty purr with a GMC Accessories Exhaust Upgrade System.

About this product

Give your vehicle a throaty purr with a GMC Accessories Exhaust Upgrade System. This system helps to reduce restrictions in the exhaust pipes and expands the diameter of stock pipes, allowing your engine to breathe better. This GMC Accessory can help to personalize, customize, or optimize the capability of your vehicle for your lifestyle and use.

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Off Road Use OnlyNo
Muffler Outlet LocationCenter
Muffler Inlet LocationCenter
Outlet Tip MaterialStainless Steel
Body MaterialStainless Steel
TunableNo
Heat Shield AttachedNo
ReversibleNo
Hanger IncludedYes
Outlet Tip Quantity1
Universal Or Specific FitSpecific
Grade TypePerformance
Clamps IncludedYes
Inlet TypeSlip Fit
Muffler 1 Body Width12.1 in / 307.24 mm
Engine Fuel TypeGas
Outlet Tip ShapeRound
Inlet Flange Bolt Hole Quantity0
Outlet Tip FinishNatural
Inlet Inside Diameter2.62 in / 66.54 mm
Muffler 1 Body Length32.49 in / 825.25 mm
Muffler 1 Body Height8.88 in / 225.55 mm
Outlet Inside Diameter2.91 in / 73.92 mm
Length176.02 in / 4470.95 mm
Exhaust Tip Diameter4 in / 101.6 mm
Outlet Outside Diameter3 in / 76.2 mm
Inlet Outside Diameter2.8 in / 71.24 mm

The greater of either the balance of the vehicle's bumper to bumper warranty or 12 months / 12,000 miles

ModelBody StyleTrimYear(s)
Sierra 1500Crew Cab Pickup2016, 2017, 2018
Sierra 1500Extended Cab Pickup2016, 2017, 2018
Sierra 1500 Limited2019

Frequently Asked Questions

Yes, upgrading your exhaust system enhances the sound, performance, and style of your stock exhaust system. It reduces restrictions in the exhaust pipes and expands the diameter of stock pipes, allowing your engine to breath better.

Yes, if you notice an exceptionally loud noise coming from your exhaust, new vibration, loss of engine power, rumbling noise from engine, extreme smell of exhaust gas, decreased fuel efficiency, rust or corrosion, or loose or damaged parts. Any of these signs could signify problems with your exhaust system that need to be diagnosed immediately.

Yes, regularly inspect your exhaust system for rust/corrosion, loose parts, disconnected components, failed welds, and damage. Always be aware of any irregular sound, new vibrations, loss of engine power, or extreme smell of exhaust gas. If you are going to put your vehicle through heavy use, inspect and tighten any loose exhaust components beforehand and check for damage afterwards. It is also important to be cautious with large bumps, dips, and hazardous road conditions that could damage your exhaust system.