Originally Posted by Rafe
I already have the K&N Intake. The 57 series to keep the air cooler. I also already have a true Cat-back exhaust via JBA. 2.5in with a 3in tip. LOVE IT. This is why I was asking about the headers. I have the E3 Diamond Fire plugs and waiting to get JBA wires. (I just love JBA's products.) So I already have or plan to get soon the upgrades you have recommended.
Also I forgot to mention I have an Accel Super Coil, picked it up when I got the cat back and the wires. That sounds good for performance, I picked up the JBA wires to see how they are and since they were on the same Summit search page as other things I was looking at. Right now I couldnt tell you how they are, only that they work. When I get time later I will test them and see how the add up. Hmm, if you have an K&N and a Cat back and you do not have enough rumble I would have to say that your cat back is too tame. That's why there is such a big ta doo in the muffler realm as everyone want the best sounding exhaust. Headers will help minorly, but the Muff controls the loudness. The header will just allow a little more air flow and it'll be a little more choppy, this is in part why alot of people think they are getting more performance with headers it allows the rpms to climb quicker to a point. That point being it takes longer to get to the quicker RPM's because you lost some back pressure, i.e. TQ.