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Exhaust cooler

From , former About.com Guide

2007 Chevrolet Silverado 2500HD Duramax terminator tip lugs

The Duramax's exhaust cooling terminator tip.

photo © Adrian Gable
This view of the terminator shows the welded on lugs that separate the flair tip from the exhaust pipe. The resulting slotted opening provides a cooling air inlet. There is no tell-tale smoke and odor, like diesels of yore, emitted from clean diesel tailpipes. These engines produce emissions that are on par with gasoline engines.

Read more: 2007 Chevrolet Silverado 2500HD Duramax test drive and review
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