Shop to Fab a JDM -> USDM Length Downpipe Spacer
05-05-2013, 04:06 PM
#1
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Shop to Fab a JDM -> USDM Length Downpipe Spacer
I've a JDM downpipe for a VF37/36 turbo. The 37/36s being twin scroll have dual wastegates (srs!), and with it a different shaped flange.
Bottom line is if I could run a USDM downpipe, I would, and to save headaches I don't want to bother with an aftermarket catless DP that will fit the flange and would reach all the way back.
Not even sure if they make catted ones, or which at any rate would cost less that what my DP would go for +spacer expense.
Know any good shops in the SF Bay Area that can fab me a spacer to reach my cat? It's ~4". A flange/funnel dealie on the side for an electric cutout would be cool too if possible, but not required of course.
I know some folks make 37/36 flange bells for custom work, but then I'd be tearing up my stock DP, which sounds more expensive, unless that's not the case?
Bottom line is if I could run a USDM downpipe, I would, and to save headaches I don't want to bother with an aftermarket catless DP that will fit the flange and would reach all the way back.
Not even sure if they make catted ones, or which at any rate would cost less that what my DP would go for +spacer expense.
Know any good shops in the SF Bay Area that can fab me a spacer to reach my cat? It's ~4". A flange/funnel dealie on the side for an electric cutout would be cool too if possible, but not required of course.
I know some folks make 37/36 flange bells for custom work, but then I'd be tearing up my stock DP, which sounds more expensive, unless that's not the case?
05-06-2013, 11:04 PM
#3
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Sorries 
Unless I've been grossly misinformed, a JDM downpipe will not reach a UDSM positioned cat back exhaust (think this may be causing the confoosion here, me mistaking the cat for the cat back - I still brainfart on the presence/order of the exhaust piping).
It will be short by ~4" - again, so I am told, and so far as I have seen mentioned on forums elsewhere. Fact that's where I got the 4" figure.
Solutions to this include elongating the exhaust pipe to the muffler, or as I said, a small spacer tube between DP and aforementioned pipe.
Here's an example thereof.
Copy or still lost...?
Original question presupposes that a muffler shop etc. could do the necessary fabrication work to make the pipes reach basically. Assuming this is not mere conjecture, I was asking for shop recommendations.
EDIT: Another perfect example, alluding to the VF37/36s downpipe no less.
Unless I've been grossly misinformed, a JDM downpipe will not reach a UDSM positioned cat back exhaust (think this may be causing the confoosion here, me mistaking the cat for the cat back - I still brainfart on the presence/order of the exhaust piping).
It will be short by ~4" - again, so I am told, and so far as I have seen mentioned on forums elsewhere. Fact that's where I got the 4" figure.
Solutions to this include elongating the exhaust pipe to the muffler, or as I said, a small spacer tube between DP and aforementioned pipe.
Here's an example thereof.
Copy or still lost...?
Original question presupposes that a muffler shop etc. could do the necessary fabrication work to make the pipes reach basically. Assuming this is not mere conjecture, I was asking for shop recommendations.
EDIT: Another perfect example, alluding to the VF37/36s downpipe no less.
Last edited by de_engineered; 05-06-2013 at 11:17 PM.
05-06-2013, 11:35 PM
#4
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Had the graphics department draft up some visual aid in case there's any ambiguity still.
EDIT: made a slight change.
Last edited by de_engineered; 05-06-2013 at 11:42 PM.
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