SLP Performance - 2005-07 6.1L SRT-8 Charger/Magnum/300C 1 3/4" Ceramic coated headers w/ high-flow cats SLP Performance Parts now offers Long Tube Headers to fit the SRT-8 Hemi powered Dodge Charger/Magnum and Chrysler 300C. The headers are mandrel bent stainless steel and ceramic coated to keep heat in, exhaust velocity up, and under-hood temperatures down, while the rest of the header system is made from 3" stainless steel. Also, included in the package is a pair of 3" high flow bullet catalyst converters, which flows into a full 3" down pipe assembly that is sized down to 2.75" on the outlets to bolt up to your factory cat-back exhaust system or SLP #D31004, #D31005 exhaust. All necessary hardware and installation instructions are included backed by our Lifetime Warranty. SLP's Long-Tube Stainless Steel SRT-8 Headers Feature: Easy, bolt-on installation Ceramic Coated 1-3/4" stainless steel primary tubes 3" four-into-one collectors for unrestricted flow 200 Cell Per Inch 3" High-flow bullet cats CNC laser-cut, 3/8" thick header flanges +16 HP and +17 ft-lbs RWHP gains over the stock system Compatible with factory EGR OEM quality O2 sensor extension harnesses Bolts directly to stock exhaust system or SLP #D31004, #D31005 Maintains factory ground clearance and good underbody-to header clearance SLP's Lifetime Warranty