1974 GMC K15/K1500 Suburban Performance Exhaust Mufflers

Your 1974 GMC K15/K1500 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 1 Performance Exhaust Mufflers to choose from for your 1974 GMC K15/K1500 Suburban, and our inventory prices range from as little as $125.99.

On top of low prices, Advance Auto Parts offers 1 different trusted brands of Performance Exhaust Mufflers for the 1974 GMC K15/K1500 Suburban. We only sell parts from trusted brands like Flowmaster Inc. so that you can find quality parts you can count on.

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 K15/K1500 Suburban

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.
See More