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is 3" exhaust on N/A TD42 too big ?
Posted: Tue Oct 07, 2008 7:01 pm
by InSanE
I am planning on putting a turbo on my truck over the next 12 or so months but im due for a new exhaust just wondering if 3" with extractors will work well on a NA TD42 or will it cause more harm then good?
Posted: Tue Oct 07, 2008 7:17 pm
by Tomo_89
just wait till you turbo it and then put a 3 inch on it.. 3 inch on an n/a you will have to redline it to get any torque
Posted: Tue Oct 07, 2008 7:28 pm
by Dzltec
If you want to future proof yourself, then do it. Just remember you will have to get and engine and dump pipe made to suit the turbo.
I really dont think it will effect your performance too much, but have never had a vehicle to dyno before and after to prove so.
Andy
Re: is 3" exhaust on N/A TD42 too big ?
Posted: Tue Oct 07, 2008 9:17 pm
by madrolla68
InSanE wrote:I am planning on putting a turbo on my truck over the next 12 or so months but im due for a new exhaust just wondering if 3" with extractors will work well on a NA TD42 or will it cause more harm then good?
Fit it for future turbo setup ,BUT our dyno shows that extractors and 3" systems on N/A TD42's lose usable power and torque.
MAtt
Posted: Thu Oct 09, 2008 1:37 pm
by Guy
Install your extractors and 3inch system, but get a small section of two inch pipe put in between the extractors and the rest. You will need to do a dump pipe from your turbo anyway, so it is no real loss.
If you firn that you want to go three inch all the way replace the 2 inch bit that you had made up ( bolted flanges)
The exhaust will only flow as well as it's most constricitve part.
Posted: Fri Oct 10, 2008 1:59 pm
by figjam_1985
it will be loud with no muffler
Posted: Fri Oct 10, 2008 3:26 pm
by bogged
figjam_1985 wrote:it will be loud with no muffler
Mine wasnt that bad with 3in no muffler.. but its like power, everyones opinion is different.
Posted: Fri Oct 10, 2008 3:58 pm
by Guy
bogged wrote:figjam_1985 wrote:it will be loud with no muffler
Mine wasnt that bad with 3in no muffler.. but its like power, everyones opinion is different.
NA or Turbo ..
Turbo does a remarkable jobas a muffler.
Posted: Fri Oct 10, 2008 7:41 pm
by Tomo_89
non turbo without a muffler is farkin loud... trust me. the turbo really does cancel out a lot of noise. If your going to go turbo then why bother with the extractors? If you really want 3 inch then just do it up to the flange on the header pipes and this way it will bolt up to the dump pipes that come with turbo kits... extractors are just a waste of money if your going to get a turbo any time soon. I got them but wish i had just gone for the turbo straight away. it would have saved me a lot of money.