Paul's new 3" stainless BEGI replacement downpipe
Pics of Pauls new 3inch bellmouth stainless downpipe for the BEGI-s kit he has on his DD.
I don't/won't have a set price (or a jig) but it would cost more than the seperated gas BEGI pipe in 3". However it would fit well and have the O2 sensor pointed where it should be which tends to be an issue with every BEGI downpipe I've experienced. :vash: So basically if you're not local with a big checkbook, sorry, at least for now. hehe. Go with the BEGI piece it's not bad. It required trimming off the firewall ledge for fitment. The downpipe just barely cleared after trimming; we decided to add clearance with a torch and BFH to the back of the pipe just in case. We kinda went overboard with the dent but whatever. Adding clearance to the firewall would be a better option but we didn't want to remove the turbo. The downpipe installs thru the bottom without unbolting/loosening anything. Paul got a metalcore cat too, and a transition to 2.5" right at the flange to his RB street dual catback. Pics at the bottom of this page: http://www.shoremotorsports.com/MiscProj.htm http://www.shoremotorsports.com/pics...aulBEGIdp5.JPG http://www.shoremotorsports.com/pics...aulBEGIdp7.JPG Yeah yeah placing the lift pads there crushes the frame rail bla bla bla no it doesn't. |
Not trying to start anything, but wouldn't it be better to start with a smaller size pipe from the turbo, and then work your way up in size, rather than start large, and restrict the flow later?
In any case, that is a nice downpipe! |
Looks prettier in person.
Car holds 10-11psi nicely now btw Tim (I think Paul told you). The main issue was the stock wg needed to basically be cranked down fully, even removed the lock nut. Plus a teeny leak off the compressor to EBC/WG line/fitting. Car felt nice after that. Not as nice as the 99+gt2560r setup though... so fun :) |
so, did you get one too dave?
<--confused <--wants to see before/after log screenshot of 3rd or 4th pull |
He's in NJ for something right now. He caught up with Paul and they are off prancing around in a field of flowers.
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sounds like it's less prancing in the flowers and more rolling in the hay to me...
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Originally Posted by RotorNutFD3S
(Post 279158)
Not trying to start anything, but wouldn't it be better to start with a smaller size pipe from the turbo, and then work your way up in size, rather than start large, and restrict the flow later?
In any case, that is a nice downpipe!
Originally Posted by Ben
(Post 279246)
<--wants to see before/after log screenshot of 3rd or 4th pull
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Originally Posted by RotorNutFD3S
(Post 279158)
Not trying to start anything, but wouldn't it be better to start with a smaller size pipe from the turbo, and then work your way up in size, rather than start large, and restrict the flow later?
In any case, that is a nice downpipe! 3" bellmouth is a perfect fit to the garrett turbine housings. You could start with a 2.5" pipe and add a wedge at the flange; I thought that'd be more of a pain to do. You could do that to the standard BEGI flange if you were so inclined. I personally think that'd be worse than 3" all the way including the cat. Tapering to 2.5" right at the end isn't ideal, but neither is the 2.375" RB street duals. If/when he wants to do something that flows better, the 2.5" section is easily removable. I don't think his catback would be much of an issue on his daily-driver though. I hope he isn't trying to make silly power...it is a 2554 on a 1.8 afterall. Spool has to be great regardless and I think the compressor would start to run out before the BEGI DP would. A 2560 would probably be a different story. Who knows though. Datalogges Paul? 3" DP isn't needed on that turbo or setup either; I don't know if he'd see any significant power or spool improvement over the flat flanged BEGI piece we took off. But I haven't seen a 3" and it'd basically cost just as much as a 2.5" to do so why not ya know. Originally Paul just wanted a cheap replacement DP that didn't stick the O2 sensor into the transmission. He ended up with something unique and expensive and one of the better downpipes for this setup. haha. Sorry buddy I'll make it up to you. |
We should swap that out for artie's 2560. I won't tell.
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or mine :) cept we'd need to mod the flange to fit the 1.6 catback lol
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Tim is talking about swapping my turbo with arties while he has it in his possession, not swapping my dp onto artie's car. what the hell are you talking about?
and guess what. the flange at the 1.6 catback is the same as the flange at the 1.8 catback. that's why you see catbacks marketed as 90-97. On a factory setup it's the its the flange on the end of the header downpipe/front of cat that's different. |
Originally Posted by TurboTim
(Post 279309)
We should swap that out for artie's 2560. I won't tell.
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Originally Posted by ArtieParty
(Post 279375)
Good thing I read this thread then. TIM!!!!!!!!!
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OK time for an update. I built another 3" bellmouth SS BEGI replacement downpipe, this time for Bryan (distrubedfan121). See pic:
http://www.inoneear.com/outtheother/...wbegi3indp.JPG
Originally Posted by TurboTim
(Post 279156)
Pics of Pauls new 3inch bellmouth stainless downpipe for the BEGI-s kit he has on his DD.
I don't/won't have a set price (or a jig) but I want to make one more off the jig and fit it to a local car before I go attempting to sell them to the masses. Hopefully Paul still likes me enough to let me borrow his or Jes' car...again. It required trimming off the firewall ledge for fitment. The new pipe isn't dented like I had to do to Paul's. Horray. I guess it'll also fit you FM guys maybe. https://www.miataturbo.net/forum/t31930/ |
yikes that's pricey! looks good though :-/
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it is such a a thing of beauty lol and you're welcome for being able to make the jig lol I'll end up coming back for a cat back but since mine is 3" currently it'll be a while.
BTW i noticed it spooled up about 300-500rpm sooner than from my old DP. |
3-500rpm sooner than the SSSG or the standard S DP?
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i had the DP sam was trying to sell awhile ago. wasn't a SSSG or even the standard S DP. was a bellmouth design 2.5" up to a high flow cat and the current cat-back.
but it didn't fit right so i had to bring it to a muffler shop and get a peice made to make it all work. |
Nice work as usual Tim.
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Originally Posted by Turbo_4
(Post 373285)
yikes that's pricey! looks good though :-/
BEGI SGDP $505 3" outlet for downpipes (3" only after the flex joint) $55 3.0" Turbo Cat Pipe $240 (metal cat alone w/o flanges just $160) Total equivalent BEGI: $800??
Originally Posted by disturbedfan121
(Post 373289)
it is such a a thing of beauty lol and you're welcome for being able to make the jig lol I'll end up coming back for a cat back but since mine is 3" currently it'll be a while.
BTW i noticed it spooled up about 300-500rpm sooner than from my old DP.
Originally Posted by johndoe
(Post 373302)
Nice work as usual Tim.
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