Free Shipping On Orders Over $75. Details

Talk to a Sierra Expert
1-888-706-1096
Mon - Sun, 8:30 AM EST - 11:00 PM EST
Win 1 of 3 $2,000 Truck Builds Enter Daily

Magnaflow MF Series Dual Exhaust System - Rear Exit (14-18 4.3L Sierra 1500)

Market Price $1,294.45 You Save 32% ($411.87)
Starting At

$882.58

FREE Shipping

  • Item S502347
  • MPN# 15278

Will this fit your Truck?

Ship to: ASHBURN - 20146
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Features & Details

    • 3” Mandrel-Bent Tubing
    • Split Rear Exit
    • Solid Stainless Construction
    • Made in the USA
    • Smooth, Deep Sound
    • Fits 2014-2018 4.3L GMC Sierra Models
    A Ride That Purrs. Looking for that smooth and low sound that can only come from a top-of-the-line performance exhaust system? Introducing the Magnaflow MF Series Cat-Back Exhaust- Split Rear Exit. Engineered to last, this system provides the sound you desire, with the wide-open performance you need in your 2014-2018 4.3L GMC Sierra. Magnaflow backs this with a lifetime warranty.

    Classy and Tough. Three-inch mandrel-bent tubing and 409 stainless steel ensure a straight-through flow and durable exhaust that will last as long as your Sierra does. The polished tips add a bit of class to make your ride stand apart—while the flow design offers major increases in horsepower and torque.

    Easy Install. Made in the USA, your new Magnaflow MF Series Cat-Back Exhaust- Split Rear Exit utilizes a bolt-on design for an easy install. In two hours or less, you'll be ready for the trail or the highway. Need a little help? Installation videos are available on Magnaflow's website.

    Application. This Magnaflow MF Series Split Rear Exit Cat-Back Exhaust is designed to be used on the 2014-2018 4.3L GMC Sierra's with the following cab and box configurations.
    • Regular Cab with the Standard Box
    • Double Cab with the Standard Box
    • Crew Cab with the Short Box.

    Fitment: 2014 2015 2016 2017 2018 Details

    What's in the Box
    • (1) Magnaflow MF Series Cat-Back Exhaust System
    • All Necessary Parts and Hardware
    • Installation Instructions
    Installation Info
    Tech Specs
    Will it fit my Sierra?

    You Might Also Like

    Customer Photos

    Q & A

    Ask a Question

    will a 2013 dual exhaust system fit the 2017 exhaust system?

    AmosSnyder

    Reviews

    Related Sierra 1500 Categories