I'm working on a design for a set of pipes for my 3S / KE70 project. What do you think? Anyone done this kinda stuff before? I'm interested to hear anyones experiences who've run similar motors with both varieties of extractors.

 

:y:

Edited August 29, 200917 yr by beerhead

Seeing as you are building from scratch you should consider 4into1's with an oversized anti-reversion stepped design off the exhaust ports.... Best of both worlds.

The 4-1 design is definately the way to go but i have never seen proof of stepped

headers offering any advantage at all, except in bracket style drag cars where the

header design is set perfectly with engine specs. A proper set of tuned 4-1 will

work better on just about every application, you could look at using a merge collector

though for maximum horsepower

this is what i have read, it is about k engines but should be applicable, maybe

blown5k on club-k (from memory) makes his own extractors. i remember reading that the longer the 2-1 section of the 4-2-1 the more it draws out torque delivery and less power in the top end

 

 

not sure if that helps at all

wow they are nice!

from everything ive read, if your building something that is going to rev hard then go 4-1 as they have best top end power figures

if your using it as a street car only with occassional track use but not pushing it to the rev limiter then go 4-2-1 as they can be easily tuned the same way as what oniBeserker explained

 

P.S i think 4-2-1 look better, got them on my 4age painted black and they look sweet!

the top brands seem to prefer the 4-1 design as 4 cylinders are made to rev normally

hope that helps

Edited August 31, 200917 yr by kiahn

wow they are nice!

 

what can you say, the man is an artist.