project stiffy, free flowing custom downpipe.

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Postby niall » Thu 22.09.2005, 21:35

Although there is a slight misspelling of my name, I am in for the stiff wanger flow enhancer please. :)
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Postby Matt RI » Fri 23.09.2005, 06:18

Stevo,

Yeah... I can see myself fitting one of these to complete the exhaust on my car. Currently it is 2 1/2" from the j-pipe back. I included a picture of the custom funnel which replaced the pre-cat. I believe I read earlier that this is a 2 1/2" pipe- from the awful picture below, does that mean that all I would need to do to fit would be to cut the funnel off at the correct position and add a flange to match the stiffy coming down from the turbo- then bolt them together and- voila?

If so and if this has a positive effect on the turbo, me likey...
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Postby stevo » Fri 23.09.2005, 09:32

candles, no problem mate i can drop it at your door after stoneleigh coz i'll probably nip over your way to visit jack while im down.

niall, oops.

matt, your spot on mate, just cut the funnel off and weld a flange on.
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Postby davidjt » Fri 23.09.2005, 10:28

Haven't volunteered for anything at Stonleigh yet, as I've damaged my back and don't want to let the side down at the last minute.
Would be really p*ssed off to miss out on both that and the stiffy, though, so if a deposit would secure one.....
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Postby Matt RI » Fri 23.09.2005, 21:30

Sweeeet.

Thanks, Stevo! Now I wish I had not gone and spent the money on the funnel and flange section of my exhaust... Anyone wanna replace their pre-cat if I am able to join the wang-gang?
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Postby stevo » Sat 24.09.2005, 08:24

no deposit required guys.
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Postby Avonvilla » Sat 24.09.2005, 14:34

Stevo i'm afraid i will have to withdraw my interest on this as i'm going back to the standard exhaust system, i'm just not into the noise of the big bore lol good luck with your project.
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Postby nitroman » Sat 24.09.2005, 17:55

Stevo, can your man make provision for an O2 bung (the "bolt" screwed into the top of your OE piece), as we in the states need that for the car to function as well as anyone in the UK with an S2 Elan? In other words, all Elans originally fitted with a catalytic converter will need this as our engines won't run without an O2 sensor. Thanks, Matt
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Postby stevo » Sun 25.09.2005, 13:35

yes matt, i talked to him about it at the start but i was waiting for an order for an s2 or fed before pricing the addition of the nut. i don't think it would be much of a problem or cost much more if at all.
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Postby nitroman » Sun 25.09.2005, 14:21

Thanks Steve. Has anyone fitted this yet? Does it clear the A/C compressor & all other stock parts. Do the bottom 3 bolt holes in the triangle flange line-up with the bottom of the original precat outlet's 3 bolts? (if they do it will bolt to the rest of my current exhaust system) If someone has this on your car: Do you notice a performance increase? If you are running high boost, is there less boost creep?

A lot of questions I know, but I'm trying to mentally justify the purchase.

Thanks, Matt
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Postby stevo » Sun 25.09.2005, 14:27

its still at the prototype stage matt. :D
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Postby DeeAitch » Mon 26.09.2005, 17:15

O2 sensors have a special thread - M18 x 1.5. Not sure if ours are the same, ESM should be able to confirm :wink: I can supply limited Qty of bosses FOC if needed. These are shaped to fit Dia 54 pipe - easy to modify for this application :) Let me know.
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Postby robp » Thu 29.09.2005, 16:24

whats going on with stiffies at the moment, if its not a strange question, how do i get one?
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Postby stevo » Thu 29.09.2005, 17:23

funny you should ask that. i picked it up today and will test fit it this week to check all the clearances. they will be ready for stoneleigh on the 13th of november.
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Postby Philbo » Wed 05.10.2005, 19:24

Hiya Stevo, been out of the loop for a while, hadn't seen this until now.

Potentially interested, will it be possible to attach this to the Paul Matty 2.25" system?

Lookin' like a good-un tho!
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Postby stevo » Thu 13.10.2005, 14:32

stiffy update.......

i droped off my turbo/downpipe gasket today for c+c to send off to have the flanges lazer cut. should have them soon and will fit and dyno in 3weeks.
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Postby Monty » Thu 13.10.2005, 15:16

Stevo,

Are u fitting the stiffy u`r self? If so do we have to remove the turbo and how difficult is it? Maybe u could do a weeeeeee right up on fitting u`r stiffy LOL
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Postby stevo » Fri 14.10.2005, 18:10

no problem monty, im planing on supplying it with fitting instructions and a 19mm flame shaped carbide burr to port the wastegate so its worth while taking the turbo off.

s2 and fed spec cars can have them supplyed with the boss for the sensor thingy. where do you'se want it?
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Postby Scott J » Sat 15.10.2005, 15:15

Stevo,

Kenny Broon has just removed and welded up my downpipe as there was a huge feckin crack in it ! So may be up for wanging a stiffy on. :wink:
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Postby Monty » Wed 02.11.2005, 00:23

Stevo, will these be ready for stoneleigh?
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