New Age Std Exhaust Manifold
#5
![Talking](https://www.scoobynet.com/images/icons/icon10.gif)
HKS un-equal length job. Makes too much noise (serious) but that's what I wanted! I had the de-cat pre-turbo pipe fitted at the same time so hard to say which part made the biggest difference. It goes like stink now, sounds like a Scooby low down (although tone slightly different) and a motorbike after 4,000. Needs a chip which is next on the shopping list. I understand the chip will take full advantage of the manifold with increased ignition advance, so even more power to come (although it's not needed at the moment).
It makes a big difference to pull, but slightly slower spool up, even with a dawes fitted - this is due to the std cat pipe having a taper which increases exhaust gas exit speed for given engine revs and the de-cat pipe is large bore without taper (no gas exit speed increase so higher engine revs required to spin turbo).
It makes a big difference to pull, but slightly slower spool up, even with a dawes fitted - this is due to the std cat pipe having a taper which increases exhaust gas exit speed for given engine revs and the de-cat pipe is large bore without taper (no gas exit speed increase so higher engine revs required to spin turbo).
Thread
Thread Starter
Forum
Replies
Last Post
fatboy_coach
General Technical
15
18 June 2016 03:48 PM