Grimmspeed 3" to 2.5" exhaust adapter - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

e1_griego · 09-14-2016, 01:23 AM

Selling a used 3" to 2.5" adapter. I used this with my Nameless header to adapt the 3" flange to the 2.5" overpipe. Had to grind a bit of the outside of the 2.5" to get it to fit, but should fit in any 2.5" overpipe at this point.

This piece: http://www.grimmspeed.com/3-downpipe...ubaru-catback/

Asking $25 shipped.

ndreim · 09-16-2016, 01:38 AM

Haven't had the need for such a contraption. My nameless 3" header mated to the 2.5" nvidia op no problem.

e1_griego · 09-16-2016, 03:08 AM

Yeah, it mates fine, but it doesn't flow super nice since it's a hard transition.

lbroskee · 09-16-2016, 03:43 AM

Quote:

Originally Posted by e1_griego

Yeah, it mates fine, but it doesn't flow super nice since it's a hard transition.

you do know this is to make a 3" normal flange front pipe to a catback designed for a donut casket right? its not for what you used it for. you could have literally just used 1 of their metal gaskets (i've been emailing them for thoughts on a setup)

e1_griego · 09-16-2016, 03:53 AM

Yup, I repurposed it because I didn't like putting a 2.5" flange onto a 3" flange with no smoothing in between

I'm not forcing anyone to buy this, and I'm not the first to do it. Seemed like a more elegant solution than what Nameless proposes. I've since sold the header and the buyer didn't want it so offering it to anyone else who could use it.

09-14-2016, 01:23 AM	#1
e1_griego Senior Member Join Date: Jul 2015 Drives: Many Location: Independence, Ore. Posts: 703 Thanks: 227 Thanked 389 Times in 234 Posts Mentioned: 9 Post(s) Tagged: 2 Thread(s)	Grimmspeed 3" to 2.5" exhaust adapter Selling a used 3" to 2.5" adapter. I used this with my Nameless header to adapt the 3" flange to the 2.5" overpipe. Had to grind a bit of the outside of the 2.5" to get it to fit, but should fit in any 2.5" overpipe at this point. This piece: http://www.grimmspeed.com/3-downpipe...ubaru-catback/ Asking $25 shipped.

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09-16-2016, 03:08 AM	#3
e1_griego Senior Member Join Date: Jul 2015 Drives: Many Location: Independence, Ore. Posts: 703 Thanks: 227 Thanked 389 Times in 234 Posts Mentioned: 9 Post(s) Tagged: 2 Thread(s)	Yeah, it mates fine, but it doesn't flow super nice since it's a hard transition.

09-16-2016, 03:53 AM	#5
e1_griego Senior Member Join Date: Jul 2015 Drives: Many Location: Independence, Ore. Posts: 703 Thanks: 227 Thanked 389 Times in 234 Posts Mentioned: 9 Post(s) Tagged: 2 Thread(s)	Yup, I repurposed it because I didn't like putting a 2.5" flange onto a 3" flange with no smoothing in between I'm not forcing anyone to buy this, and I'm not the first to do it. Seemed like a more elegant solution than what Nameless proposes. I've since sold the header and the buyer didn't want it so offering it to anyone else who could use it.

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