1974 GMC C15/C1500 Suburban Performance Exhaust Mufflers

Your 1974 GMC C15/C1500 Suburban 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 2 Performance Exhaust Mufflers to choose from for your 1974 GMC C15/C1500 Suburban, and our inventory prices range from as little as $99.99 up to $125.99.

On top of low prices, Advance Auto Parts offers 1 different trusted brands of Performance Exhaust Mufflers for the 1974 GMC C15/C1500 Suburban. 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 24 reviews on our Performance Exhaust Mufflers for the 1974 GMC C15/C1500 Suburban 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 1974 GMC C15/C1500 Suburban

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. – 40 Delta Muffler 409S – 2.25 Offset In / 2.25 Offset Out – Aggressive Sound (Part No.842443)

40 Delta Muffler 409S - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound

from

$125.99
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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FAQs for 1974 GMC C15/C1500 Suburban Performance Exhaust Mufflers

What are the most popular Performance Exhaust Mufflers for the 1974 GMC C15/C1500 Suburban?

With 1 brands you can trust, our most popular Performance Exhaust Mufflers for the 1974 GMC C15/C1500 Suburban parts are:
40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound
from $99.99
(3)
40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound
Performance Exhaust Mufflers
40 Delta Muffler 409S - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound
from $125.99
This product is not rated
40 Delta Muffler 409S – 2.25 Offset In / 2.25 Offset Out – Aggressive Sound
Performance Exhaust Mufflers

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