MBRP
MBRP 19-26 GMC Sierra 4.3L Aluminized Steel 3in Cat Back Single Side Exit S5087P
MBRP 19-26 GMC Sierra 4.3L Aluminized Steel 3in Cat Back Single Side Exit S5087P
Part number: 9KKQK
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- Free fitment check before you order
Listed for: GMC Sierra 4.3LFitment notes & questions
MBRP Aluminized Steel 3in Cat Back Single Side Exit for the 2019–2026 GMC Sierra with the 4.3L engine. Rust and broken hangers are the usual reasons exhaust parts get replaced.
Key features
- No Tip Included. EXCL 2WD Crew Cab 6.5' Box (2 Piece Driveshaft)
- Armor Lite Cat Back Exhaust System; 3 in.; Aluminized Steel; Single Side; Incl. Camps; | MBRP S5087AL 3 inch Cat-Back, Single Side Exit, AL
Specifications
- Brand: MBRP
- Part type: Exhaust part
- Engine: 4.3L
Fitment for the 2019–2026 GMC Sierra
Listed for the 2019–2026 GMC Sierra with the 4.3L engine. Check your year, model and trim against the title before you order.
What it does
A performance exhaust changes the sound and can improve flow; replacement parts restore a quiet, leak-free system. Exhaust parts carry gases away from the engine; replacing rusted or restrictive parts fixes leaks and noise, and performance designs can add flow and sound.
Installation & tips
- Check local noise and emissions rules, and use new gaskets and hangers when you fit it.
- Clamps and hangers: Old hardware is usually rusted.
- Gaskets: New gaskets prevent leaks at each joint.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
Which engine is it for?
It is listed for the 4.3L engine in the 2019–2026 GMC Sierra. Check the engine code on your vehicle if it was offered with more than one engine.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Confirm your year, make, model, engine and trim match the fitment listed above (2019–2026 GMC Sierra 4.3L).

Before you order: GMC Sierra 4.3L exhaust part fitment
Exhaust parts carry gases away from the engine, quiet the sound and clean up emissions.
Fitment notes
- Listed for: GMC Sierra 4.3L.
- Model years: 19-26. Parts can change mid-generation, so match the exact year.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- Specs, lead time and warranty come from MBRP and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentPlan the whole job
- Clamps and hangers. Old hardware is usually rusted.
- Gaskets. New gaskets prevent leaks at each joint.
More for your car: Cat-Back Exhaust Systems · GMC Parts · Exhaust
Questions about GMC Sierra 4.3L exhaust part
Will this fit my GMC Sierra 4.3L?
Is this street legal where I live?
Where do specs and warranty details come from?
Questions & answers
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