Stainless Steel Headers

Fitment: 

For Chevrolet Cobalt Base 2.2L 2005
For Chevrolet Cobalt LS 2.2L 2005-2010
For Chevrolet Cobalt LT 2.2L 2005-2010
For Chevrolet Cobalt LTZ 2.2L 2006-2007
For Chevrolet Cobalt SS 2.0L 2005-2010
For Chevrolet Cobalt SS 2.4L 2006-2007
For Chevrolet Cobalt Sport 2.4L 2008
For Chevrolet HHR LS 2.2L 2006-2010
For Chevrolet HHR LT 2.2L 2006-2010
For Chevrolet HHR LT 2.4L 2006-2010

2.2L/ 2.4L I4 Non-Turbo/ Non-Turbocharged Models ONLY; except Cobalt 2.0L Supercharged Models

Does NOT Fit Vehicles with EGR Port on Stock Manifolds)

Specifics and Features: 

Header Inlet / Outlet Size: 1.625" X 0.875" (Oval)/ 3.25"(Allowable Error range:0.1-0.2inch)

Tubing has been optimized for the 2.2L/2.4L engines

Made of T-304 Stainless Steel Material
Increase High Flow Air, Instantly Gain 10 -15 Hp. / Tq.
Metal Gasket Included

Notes:

Direct Bolt-On Installation Racing Spec. Design
Professional Installation is Highly Recommended (No Instruction Included)

Includes:

1 X Header Exhaust System