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SirDigby
11-29-2016, 11:23 PM
I bought a weaponR exhaust manifold. it was shinny. I only got to look at it for about 10 minutes.
now it's not shinny anymore :(

http://www.yarisworld.com/forums/picture.php?albumid=1168&pictureid=6200

unshinified

http://www.yarisworld.com/forums/picture.php?albumid=1168&pictureid=6201

Bluevitz-rs
11-30-2016, 12:12 AM
Yeah but header wrap makes it look legit!

SirDigby
11-30-2016, 09:57 PM
it also helps with flow and scavenging. plus, that computer being 6 inches from the manifold scares me...

invader166
11-30-2016, 11:51 PM
You have great taste sir. :thumbsup:

Personally I think you went a bit over the top with the wrap, but it does look very nice.:clap:

I've been running mine for nearly 2 years with no wrap or heat shield, and never ran into any problems.:wink:

SirDigby
12-02-2016, 01:23 AM
tri Y makes for better low end torque. :) I didn't by the DC one because i'm not looking for top speed. I am looking to go quickly....
and the wrap helps on any engine. higher temperatures (to an extent) creates higher pressure/flow, which creates better scavenging from sister cylinder, which is exploited by the try Y pipe. (as the theory goes)

JessMess
12-04-2016, 02:56 PM
Sweet looks awsome

ncp13
01-25-2017, 05:17 AM
Looks good, how does it perform? (butt dyno ?)

I have a spare stock manifold.. I should wrap it for educational purposes :wink:

malibuguy
01-25-2017, 10:55 AM
be sure to port-match the header to the gasket. There is some shrouding on them. Plus while your at it, investigate the inner joints & blend as necessary. Mine had some really rough joints

Elwe2k
01-25-2017, 01:48 PM
That looks awesome! Now I want one :frown:

I always wondered if this Yaris parts fit in a 1st gen US-Spec Echo. It's the same engine though.

malibuguy
01-25-2017, 07:08 PM
^ outlet flange bolt pattern is wider for the yaris and the outlet is in a slightly different position. You can probably use one...just modification to your front pipe will be needed.

SirDigby
01-25-2017, 10:10 PM
Looks good, how does it perform? (butt dyno ?)

I have a spare stock manifold.. I should wrap it for educational purposes :wink:

i have not installed it yet. need to buy the rest of the parts. (resonator and muffler) then i'll go get it all plumbed up. waiting till do my taxes :biggrin:

Elwe2k
01-26-2017, 01:04 AM
^ outlet flange bolt pattern is wider for the yaris and the outlet is in a slightly different position. You can probably use one...just modification to your front pipe will be needed.

You mean like replace the bolt pattern with another aftermarket pipe? or maybe adapt the OEM outlet flange? I was thinking about adding a aftermarket pipe and/or exhaust from newer models and customise to fit....