currently have the c&l cia with the 91 octane tune on my diablo and was wondering if i needed to change tune if i put an x-pipe with cats on. if so what tune? or what tune if i went with headers and x-pipe. thanks for the help guys
john

 

Sorry to poach, but I have a similar question that might have the same answer. I have a Steeda CAI and flashed with the 91 Performance tune as well. I have a Pypes O/R H pipe with Steeda MIL's and of course the Saleen higher flowing exhaust. Are there any parameters that I should modify in that standard 91 tune, or is it sufficient?