No implications. A header is just a header. You probably won't gain the max amount of power if you are not using it with the proper setup but not enough to make a difference that you can feel. Personally I don't believe that FI-spec headers needs to only be used for FI and vice versa. If a part works well, use it. I think I will go with J's Racing header or PLM header(J's replica).

Read this!
https://www.s2ki.com/forums/index.php?showt...&#entry19500963
^
OP is SC'ed and is trying various different setups.

 

so... if i'm not mistaken. the hytech performed not as good as it was to be expected?

on the other hand. i was thinking bout going back to PLM idea. i would try them again but i don't want it to be another miss instead of a hit. lol

 

well, if you don't like it, sell it to me! =D

The Hytech header is a great product but I don't know about all the hype. I've heard plenty of people that were disappointed with the numbers they got from their Hytechs.

 

and with all the moo-la you spend on some pipes sure doesn't add up to the gains on a dyno. after all these results, i think i may just buy an OEM header for 70 bucks, cut off the collector and weld a 3" pipe on it. and then see what the gains are like from there. ideas ideas lol