best muffler for detroit diesel
Before testing this M100582 Heavy Duty Round Muffler For CAT 430 Cummin ISM 310 Detroit Diesel 470, I never realized how much excessive backpressure and noisy exhaust were nudging your engine’s efficiency. After hands-on checks, you’ll notice smoother idle, less drone at cruising RPM, and confident starts under load. It’s a direct-fit replacement you can … Read more