Originally Posted by 8Complex
Just curious, but what would an extension be used to fix? Even with my turbo kit on, I have never had a problem.
For the 06+ models who want to go with UEL headers, that requires them to get a new HFC and CBE. When you do this, one of the O2 sensors needs to be extended to reach the rear O2 bung in the new CAT.
Its been a discussion in this section for eons now Mr. Turbo.