C6 Corvette 1 7/8" Longtube Headers 2005-2013 (LS2 LS3 LS6 LS7 ENGINES)Speed Engineering Corvette longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Corvette longtube headers are mandrel bent, tig welded, and feature polished stainless steel construction. All of our Corvette longtube headers have been dyno proven. We stand behind our Corvette longtube headers in saying you will not find a better fitting, quality built, budget header for your vehicle. Features

Pro Series Billet Torque Converter

and for accessories* Boost control: boost vs

High Flow Direct Injection for GM Generation V V8 Applications

Made in Kansas City

easy to use software suite that allows full laptop access for advanced users

Part Number: 12668390 this supersedes many gm part#'s

5 tenths and 3

Boost Tuning is $400 extra / Nitrous Tuning is $200 extra

The +32% fuel lobe does require a lash cap with it

Bottle        555-60207

and they support high horsepower

25 Gloss Silver Machined 78