OBX headers are tuned and tested for maximum performance. Utilizing race proven designs from the runners to the collector, each header promises significant improvement over the stock system while still being fit for daily driving. All headers come with a limited lifetime warranty.
◘ Primary Tubes: 1-3/4"
◘ Collector: 1 7/8"
◘ 3/8" Flange thickness Disclaimer: “For off-road competition/racing use only. This product is not intended to be installed on vehicles registered for highway use. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES THAT MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.”