Subaru Enthusiasts Car Club of the Sierras - View Single Post

bign · 2008-07-07, 01:30 PM

I would probably be looking for a catted turbo back depending on the sound. Still trying to find some videos as it looks like the one on the site isn't working.

I imagine that the coating does decrease underhood temps quite a bit and in additions to a cut-to-fit stock heatshield should be a huge decrease.

The ceramic coating or even heat wrap which is often used, maintains the heat inside the downpipe and increases gas velocity. The increase in velocity should create lower pressure around the turbo so exhaust gases exit more quickly and efficiently which is the point of a bigger dp to begin with. The coating just makes it that much more efficient. If none of this is true and I just created a bunch of bullshit in my head then there is still the fact that it does decrease underhood temperature which increases performance and reduces heatsoak, but the price of their exhaust really isn't that expensive so that benefit alone may be enough to justify it for me.

2008-07-07, 01:30 PM	#32
bign EJ22 Join Date: Apr 2008 Location: SW Reno Posts: 160 Car: 05 sti - 01 GSX-R 750 To learn your limits, you must push past them	I would probably be looking for a catted turbo back depending on the sound. Still trying to find some videos as it looks like the one on the site isn't working. I imagine that the coating does decrease underhood temps quite a bit and in additions to a cut-to-fit stock heatshield should be a huge decrease. The ceramic coating or even heat wrap which is often used, maintains the heat inside the downpipe and increases gas velocity. The increase in velocity should create lower pressure around the turbo so exhaust gases exit more quickly and efficiently which is the point of a bigger dp to begin with. The coating just makes it that much more efficient. If none of this is true and I just created a bunch of bullshit in my head then there is still the fact that it does decrease underhood temperature which increases performance and reduces heatsoak, but the price of their exhaust really isn't that expensive so that benefit alone may be enough to justify it for me.