1989 Ford Mustang Performance Exhaust Mufflers

Your 1989 Ford Mustang might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Performance Exhaust Mufflers you desperately need.

We currently carry 7 Performance Exhaust Mufflers to choose from for your 1989 Ford Mustang, and our inventory prices range from as little as $68.99 up to $139.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Performance Exhaust Mufflers for the 1989 Ford Mustang. We only sell parts from trusted brands like Flowmaster Inc. so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 12 reviews on our Performance Exhaust Mufflers for the 1989 Ford Mustang from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Performance Exhaust Mufflers stock in-person!

Performance Exhaust Mufflers for Your 1989 Ford Mustang

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942448)

Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

from

$113.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.42443)

40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

from

$99.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Moderate Sound (Part No.942453)

50 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Moderate Sound

from

$139.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8042443)

40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

from

$122.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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Flowtech – Terminator; Muffler (Part No.50151FLT)

Terminator; Muffler

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$87.99


Product Features:
  • Aluminized Steel Construction
  • 3in. Inner Pass Tubes
  • Reduce Backpressure
  • Increase Horsepower
  • No Glass To Burn Or Blow Out
  • Will Flow In Either Direction
  • Welded For Strength/Durability
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Flowtech – Afterburner Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.50352FLT)

Afterburner Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound

from

$82.99


Product Features:
  • Made From Aluminized Case
  • Rust And Corrosion Protection
  • Stronger Seams Prevent Blow Out
  • Provides More Horsepower
  • Max Flow In Either Direction
  • Powerful Sound With No Resonance
  • Limited Lifetime Warranty
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Flowtech – Afterburner Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.50351FLT)

Afterburner Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

from

$68.99
Afterburner Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

FAQs for 1989 Ford Mustang Performance Exhaust Mufflers

What are the most popular Performance Exhaust Mufflers for the 1989 Ford Mustang?

With 2 brands you can trust, our most popular Performance Exhaust Mufflers for the 1989 Ford Mustang parts are: