welding to the turbo downpipe

[JShadzi at aol.com]

Eric, great website, thanks for taking the time to compile all that info.

Javad

>I just did a 3" downpipe back in Sept for my car.  It is outlined in the exhaust section of my web site listed below.  I started from scratch on everything instead of reusing parts, but the general rule for SS welding is use a filler rod that is equal to or greater than the highest grade you are welding.  So yeah 308L would work fine.  
>
>I don't know what to tell you on the flange.  I welded on a flex couplier and then slip fit it into my slip fit 3" cat.  Try to find who in your area supplies the local exhaust shops.  I found that and payed next to nothing on most of my parts.  They would likely have access to someone who makes the SS flanges.
>
>Good luck
>
>--
>Eric Sanborn
>
>http://sofadog.net/4ktq/
>
>
>-----Original Message-----
>From: Timmmy <quattro at inspirinium.com>
>Sent: Dec 2, 2003 8:53 AM
>To: quattro at audifans.com
>Subject: welding to the turbo downpipe
>
>Hey All
>
>I am about to start making my new 3" exhaust system. DOes anyone out there
>know what the downpipe is made of as I need to cut the thing up and weld
>new parts onto it.
>
>I think it is probably 304 Stainless, but that is only a guess. If anyone
>out there has done this, what grade of wire did you use? will 308L be OK?
>
>Also I am trying to source some weld on 3 bolt 3"  Stainless flanges,
>anyone got a good fast sourece for them?
>
>My intention is to cut the downpipe below the wastegate, flare the pipe
>and weld on a 3"flange. from there I will go round the corner and weld in
>the 3" IDx6" stainless flex. on the back of that goes the 3"ID Stainless
>cat with a 3"stainless flange on the back. From there back will all be
>aluminized mild steel.
>
>Cheers
>
>Timmy
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