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Improve airflow, performance, and reliability on your 2001–2016 GM 6.6L Duramax with MFM’s Stainless Steel Performance Exhaust Manifold Kit. Engineered to outperform restrictive stock manifolds, MFM’s manifolds provide increased exhaust flow, lower drive pressure, and faster turbo spool-up for a noticeable improvement in both power and efficiency. Built from durable stainless steel, these manifolds deliver long-term strength and heat resistance under the harshest towing and performance conditions.
MFM’s designs this kit to maximize airflow with up to 55 percent more flow over OEM manifolds, helping to reduce EGTs and maintain reliable performance under load. Each kit includes both driver and passenger manifolds, premium gaskets, and upgraded hardware for a straightforward installation. Whether towing, daily driving, or upgrading performance, MFM’s delivers a stronger, cooler-running Duramax exhaust system.
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Havent been able to drive the truck yet but had to cut some of the structural integrity that sits along the block to clear the dipstick tube and no matter what size head bolt you go with its almost garunteed to not clear all but maybe 2 spots, also hahe to buy yoyr own hardware to indtalk yhem as they only come with the bolts for the up pipes other than that looks great for the price
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