O2 Extensions, Gaskets, and All Installation Hardware Included
LS7 D-Port Flange available for additional cost
These products are NOT legal for sale, installation, or use on licensed vehicle in the state of California and they do NOT meet CARB compliance
Option Guide: Do I need to add LS7 Flanges? No, the LS7 Flanges are only required if you are utilizing a LS7 style cylinder head with “D” shaped exhaust ports. This option makes this a custom-built header which has a 4 to 6 week lead time. Due to the custom nature of this product it is NOT returnable / refundable.
Option Guide: Do I need to add Jet Hot Ceramic Coating? No but reducing your under-hood temperatures can increase the performance of your vehicle. Please allow an additional 10-12 business days for Jet Hot Ceramic Coating. Coated Headers are NOT returnable / refundable.
All warranty claims will have to be done through the Original Manufacturer (Kooks Exhaust). KOOKS racing exhaust products are covered under a limited warranty. This warranty is limited to the repair or replacement of the product if the problem is due to faulty materials or workmanship. This warranty covers the original purchasing consumer only.