Diamond Eye KIT 4in Catback Single AL: 2004.5-2007.5 DODGE CUMMINS 600 Fabrication>Insulation Pre-installed large oil level sight

Pre-installed large oil level sight glass with calibration plug set to the factory fluid level to eliminate overfilling

For S5 owners looking to fine tune the sound even more

The cross-linked polypropylene rotomolded plastic air box replaces restrictive stock air box and ensures a consistent supply of cold fresh air

Banks Ram-Air filters outperform conventional ones

Does NOT fit Dodge RAM Trucks

Diamond Eye KIT 4in Catback Single AL: 2004.5-2007.5 DODGE CUMMINS 600 Fabrication>Insulation Pre-installed large oil level sightDiamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the finest exhaust components in today's marketplace. Mandrel bending and fabrication parameters are extensive, and a variety of tooling allows us to offer tube processing from 3 8" to 5"OD in both