i heard from a member on here that gave his opinion on the older model 4-1 header that rk sport created that i wouldnt really notice any gains in performance. i assumed rk sport stopped making them, but now make the 4-2-1 header instead. any inputs on this if it be true? i already have the header, check it out in the NE Region. if it gives some gains thats more than enough for me to use and put it on, and i do hope on going S/C(the previous owner had this on his S/C) in a later time. thanks in advance everyone.

Quote:

i heard from a member on here that gave his opinion on the older model 4-1 header that rk sport created that i wouldnt really notice any gains in performance

Unless it was installed incorrectly, then I find that hard to believe.

I mean,
Even porting the factory joint gives some if only minimal gain.

-M


Remember....syringes go in the RED waste basket.

^^^ Agreed

Any size difference in an header should gain your SOME power.



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