Apex Carver
Senior Member
- First Name
- Chris
- Joined
- Dec 20, 2017
- Threads
- 3
- Messages
- 138
- Reaction score
- 62
- Location
- Calgary, Canada
- Vehicle(s)
- ITR 01-1294, 07 Elise, 15 Fiesta ST, Formerly CTR
Speaking of front pipes, I am curious to get opinions from folks running DS on any benefit from a front pipe and/or exhaust. Is there any discernible increase in power that would actually help at autox? Typically, I would write off exhausts on otherwise stock cars as almost an aesthetic mod - just for sound and looks based on personal preference. But with the turbo are there "real" gains to be had?
I'm a recovering ricer and now consider myself to be more on the old man end of the spectrum and I actually prefer the stock exhaust for daily driving. Not trying to ruin the car by adding an obnoxious exhaust, but also not trying to leave power on the table... Because you know, srs bzns and whatever.
My current prep simply consists of 3 sets of DS Motegis and a Whiteline RSB (which I will probably replace with stock for lower grip surfaces like Packwood).
I had a Invida R400 on mine (since swapped to a Ti exhaust) and did a couple dyno runs back to back with a friend with a FK8 with a stock exhaust. There are definately measureable gains.... whether or not they make a difference on a auto-x course is another story. The front pipe is a big once since the OEM one is a 2.5" OD pipe where as the aftermarket ones are a full 3" OD. The OEM exhaust downstream of the front pipe is pretty much a 3" unit i believe.
See the post below for my dyno plot from that day overlayed with my friends:
https://www.civicx.com/threads/invidia-r400.21429/page-15#post-462384
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