Duramax Drivers Side Exhaust Manifold

Greatly increased flow characteristics over the original unit and a great alternative to higher priced after market manifolds.

Duramax drivers side exhaust manifold.

Former truck was a 03 chevy 2500hd w duramax. Ppe high flow exhaust manifolds with up pipes federal emission 0 reviews. Gm 12637647 is an update for the driver side exhaust manifold for your 2001 2016 gm 6 6l duramax truck. Exhaust manifolds 2001 04 6 6l lb7 gm duramax exhaust manifolds you may not know it but the factory driver s side exhaust manifold is pinched down to allow for steering shaft clearance which actually isn t required.

Improve exhaust flow reduce exhaust gas temperature egt and realize greater power gains with the new full bore driver s side exhaust manifold for the 01 10 gm duramax. Not into the head any help will be appreciated. The gm 12637647 updated driver side exhaust manifold for your 2001 2016 gm 6 6l duramax features a full bore unlike the factory exhaust manifold that is kinked or dented for additional clearance. This high flow manifold flows better than the original drivers side manifold by offering less restriction to match passenger side manifold flow.

The two bolts that are at the end of the manifold are really difficult these are the two that are close to the fire wall. Write first review description. The gm 12637647 updated driver side exhaust manifold for your 2001 2010 gm 6 6l duramax features a full bore unlike the factory exhaust manifold that is kinked or dented for additional clearance. The increased flow will balance the engine and provide increased spool up throttle response and better overall performance.

The increased flow will balance the engine and provide increased spool up throttle response and better overall performance. The increased flow will enhance throttle response and better overall performance. It features a full bore unlike the factory exhaust manifolds that were restricted and will provide you additional clearance. 2004 5 2005 gm duramax fed lly 152 00 core charge applies.

I can t loosen any of the bolts. The gm 12637647 updated driver side exhaust manifold for your 2001 2016 gm 6 6l duramax features a full bore unlike the factory exhaust manifold that is kinked or dented for additional clearance. You may not know it but the factory driver s side manifold is pinched down to allow clearance for the steering shaft which actually isn t required.