GM Truck 6.2L 2007-2008 Long System Dimensions:1-7/8" x 3" 1-7/8" or 2" (for max

1-7/8" or 2" (for max effort applications) and a 3" exhaust

When necessary

If you already own an ARH long system

these systems were developed to be the last system your Lightning will ever need

GM Truck 6.2L 2007-2008 Long System Dimensions:1-7/8" x 3" 1-7/8" or 2" (for maxGuaranteed to deliver outstanding performance while providing a fit and finish that simply can't be beat, this could be the single best upgrade for your GM truck. Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut flanges for a warp free seal Hand ported TIG welded inlets Optimized primary tube routing for superior fit and performance Merge collectors with scavenger