Auto Meter Factory Match Triple Pillar Gauge Kit (EGT, Boost, Trans) 01-06 6.6L GM Duramax speaker option:with speaker MACHINED PORTS: These manifolds have

MACHINED PORTS: These manifolds have both the inlet and the outlet ports machined to match the factory ports

Not only does the factory drivers side exhaust manifold have an unnecessary clearance depression that causes it to flow inconsistently with the passenger side

Internal air shut off valve

A urethane plug is also included for extreme conditions when you want to block the auxiliary air scoop

This system is enclosed in a durable 16 gauge

Auto Meter Factory Match Triple Pillar Gauge Kit (EGT, Boost, Trans) 01-06 6.6L GM Duramax speaker option:with speaker MACHINED PORTS: These manifolds haveHaving a good set of gauges to keep an eye on vital parameters of your engine and transmission are key to any diesel truck. Whether stock or modified, your Duramax has the ability to run relatively hot, especially when put through the rigors of heavy towing. Because of this, installing a simple pyrometer, boost, and transmission temperature gauge kit can be crucial to avoid costly repairs down the road. On top of this, by accurately watching your