O2 Extension Harness for 2005-2010 Mustang. 1) 12" Extension Harness (4-Pin) firebird offering robust reliability for street

offering robust reliability for street and track use

Read more about the engineering behind our camber plates here

and the bearings and hardware comes from various sources

8" Rear Width

leaders in design and engineering in that market

O2 Extension Harness for 2005-2010 Mustang. 1) 12" Extension Harness (4-Pin) firebird offering robust reliability for streetKooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud