Issue with stage 1 is based on the info provided the map is for EL and most of the aftermarket headers are uel
Quote:
Originally Posted by G-awesome
The OFH tune is aggressive for a catted UEL header. I have the JDL one and I've done a bunch of testing on it as well as the stage 2 oft. The stage 2 oft will work but it'll knock a bit around mid to high rpm. You will have to datalog and test to remove timing at the high knock areas. Best to stick with the stage 1 if you don't want to do some additional tweaking to the oft stg 2 tune.
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