1984 GMC Jimmy Mufflers
Your 1984 GMC Jimmy 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 Mufflers you desperately need.
We currently carry 10 Mufflers to choose from for your 1984 GMC Jimmy, and our inventory prices range from as little as $62.99 up to $221.99.
On top of low prices, Advance Auto Parts offers 3 different trusted brands of Mufflers for the 1984 GMC Jimmy. 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 18 reviews on our Mufflers for the 1984 GMC Jimmy from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Mufflers stock in-person!
Mufflers for Your 1984 GMC Jimmy
Flowmaster Inc. – 40 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.430402)
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$99.99
The original Flowmaster 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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Walker – Sound Solution Muffler (Part No.18746)
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$62.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
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Flowmaster Inc. – 50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound (Part No.52558)
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$185.99
The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 40 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.9430402)
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$133.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Dynomax – Super Turbo Muffler Uni Fit Aluminized Steel 19" L, 2.5" In, 2.5" Out, Oval (Part No.17758)
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$109.99
DynoMax Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone.
Product Features:
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Product Features:
- Large internal flow tubes improve exhaust flow and reduce backpressure
- Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
- Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
- Dyno proven to flow up to 700 SCFM
Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18191)
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$94.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
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Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Flowmaster Inc. – 70 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, 22in long, Non-Reversible, Mild Sound (Part No.52573)
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$221.99
The 70 series utilizes Flowmaster’s patented Delta Flow technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV’s, RVs, tow vehicles and high performance street cars where space allows. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – Delta 40 Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8430402)
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$154.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 50 Series Muffler, 2.5in Center Inlet 2in Dual Offset Outlet, Non-Reversible, Moderate Sound (Part No.9425502)
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$149.99
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, 3in Center Inlet 3in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.80430402)
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$123.99
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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FAQs for 1984 GMC Jimmy Mufflers
What are the most popular Mufflers for the 1984 GMC Jimmy?
With 3 brands you can trust, our most popular Mufflers for the 1984 GMC Jimmy parts are:
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$99.99
(6)
40 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound
Mufflers
from
$109.99
This product is not rated
Super Turbo Muffler Uni Fit Aluminized Steel 19" L, 2.5" In, 2.5" Out, Oval
Mufflers
from
$94.99
This product is not rated
SoundFX Muffler, Direct Replacement, No Fabrication Needed
Mufflers
