Has anyone built a Mk4 with the new IRS, and installed under car exhaust?
If so, how did you do it?
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Has anyone built a Mk4 with the new IRS, and installed under car exhaust?
If so, how did you do it?
Nice build! VERY nice!
I was hoping to see a rear exit system.
I'm working on designing mine right now. I'm using oval pipe and low profile spintech mufflers. I expect I'll put the exit just in front of the rear tires as there just doesn't seem to be any route through the irs, gas tank, trunk area. It would take a lot of careful bends and fairly small pipe to get to a rear exit.
LS1, TKO600, IRS, no scoop, undercar exhaust. Delivered June 14, 2017, First start December 31, 2017, Registered and Titled Sept 12, 2019.
Guys, while designing your undercar, you may want to incorporate some of these bell mouth joints. This is what a lot of DD cars use.
http://kinromindustries.en.gasgoo.co...s/1111757.html
The bolts have shoulders on them so they get fully tightened but the spring is what is holding the pipes together. Summit has these but you would need to get your own springs and longer bolts and use double nuts so they don't come loose.
https://www.summitracing.com/parts/f...BoCdDQQAvD_BwE
These type joints will allow the engine to move while the rest of the system is pretty stationary.
FFR MkII, 408W, Tremec TKO 500, 2015 IRS, DA QA1s, Forte front bar, APE hardtop.
Here's a photo of mine after I built it. I have the old style IRS, so I don't know what obstacles are there now. I also used spin tech mufflers and came straight back, just used 45's to come in toward the center at the LCA's, then straight back. I did incorporate short section of flex due to some odd angles. I've put 10,000 miles on it, no issues
John
FFR #7388 - Mk 4 Complete Kit w/ IRS, Ordered 10/21/10, Delivered 12/8/10. 302 with FiTech and Under Car Exhaust, Heat & A/C, Rod Top. Hard top and shop built side curtains added 2023.
Really nice work you did.