How much performance gain from headers ??

[speed-inc]

Hi guys

I have a few things on my Ae86:
oversize pistons (about 1600cc)
custom header 4-1
Kakimoto Exhaust
lighter flywheel
lighter pulleys
HKS air filter

These are roughly the engine mods.

Compared to a bone stock Ae86 (which I was driving everyday) this setup revs up way better. There is more power and torque. I have no numbers on this though.

Tuning a 4age is just a costly experience and you will never have the same money/power ratio like with a turbo car.

What I can advise you on get a quality header. They will work.
Just remember how good all the japanese headers are tested and developed. R+D at all those facilities is extensive.
In comparison to OBX which are just copies of other brands.

My bet for best performance would be Toda. They have years and years of experience racing the 4ag in various racing series. It is expensive though.

I would advise people though on going after the handling first on our cars. This makes a much bigger improvement for money.

Cheers