Stainless Works CT07HCATY Headers 1-7/8in Primaries w/ High-Flow Cats Y-Pipe for 2007-2013 Chevy Silverado/GMC SierraFactory Connect Catted: 2007 13 Chevy Silverado GMC Sierra Truck Headers from Stainless Works Increase performance and improve sound with our Silverado headers. These headers are designed to fit the factory connection point behind the factory catalytic converter. System includes Y pipe and features 1 7 8" diameter primary tubes and 3" diameter lead pipes. Made from 304 stainless steel and TIG welded, these headers are constructed with 3 8" thick

TPS calibration

Compression Height: 1

The largest offering in our naturally aspirated LS1/LS2/LS6 lineup

'05-'07 Cadillac CTS-V (LS2) / Drive-by-wire

10-micron fabric element

our fully-adjustable air springs are the perfect partner for your vehicle

AMS 3 Bolt nonAFM Camshaft (stock specs)

Manifold Vacuum Will Not Operate Power Accessories

When possible

PN:  CR345K-1

Direct fit for all Aeromotive Stealth Fuel Cells

originally equipped with a return-style EFI powered engine