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The Mopar Six-Pack Engine Handbook HP1528: How to Rebuild and Modify the 440 .. Larry Shepard | #contact

The Mopar Six-Pack Engine Handbook HP1528: How to Rebuild and Modify the 440 .. Larry Shepard

The Mopar Six-Pack Engine Handbook HP1528: How to Rebuild and Modify the 440 .. Larry Shepard

Adding a dual ls6 exhaust manifold to your vehicle can have a number of advantages. Functionally, two exhausts can improve engine performance and reduce emissions.