We just cut lengths 3" and then bend them to the right degree then weld them.  We do mandrel bend some 2" connecting pipes on some popular models just to save time and hassles with the press bender.  But all 3" systems we have to make as we go as we dont know exactly were the bends have to sit.  Except for the WRX that we pre-make 3" systems.  All exhaust shops would buy the 3" bends sepratly.(unless they have a bender)
 
Scott
-----Original Message-----
From: Julian <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Thursday, 28 December, 2000 19:39
Subject: Re: Mandrel Bent Exhausts

So do you mandrel bend a straight pipe at your work or weld up different bends to straight pieces of pipe?

- Julian

Davidson wrote:

Daniel, we can supply u with bends if u need them.  We have 20,30,45,90 (few others aswell) stainless 3" bends in stock.  There not too expenisive at all i dont think.  Your going to have to get the system spot on otherwise u will scrape the crap out of it!!  I wouldnt attempt it unless i had all the equipment needed tho.  Have u done much welding? Do u have access to a hoist? Do u have a bench saw? Linisher? Stands? Another thing with mandrel systems, you never really know what degree of bend u need until your up to that point so its hard to say exactly how many bends of what kind u need. Its alot harder than press bend systems! The Walker cat is ok i guess but NO muffler? That will be damn loud i tell ya! I would put a small muffler in just to keep it down a bit.  I can understand why u would want to do it yourself, we charge around the $1100 to $1700 mark for full 3" stainless systems!! Nearly the cost of the Z18et itself!!! Hope this helps u. ScottDavo
-----Original Message-----
From: Daniel Kroehn <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Thursday, 28 December, 2000 16:50
Subject: Mandrel Bent Exhausts
 List, I'm looking at the possibility of making my own 3 inch mandrel bent exhaust when I drop in my Z18et.   I plan to use only a 3 inch hi flow Walker cat and no muffler.  I know that the whole exhaust is welded together rather than press bent and fitted but do I buy the pipe and get it bent myself (which seems that it would just be the same as a press bent exhaust) or can I buy pre bent 3 inch pipe sections?  Any tips on building my exhaust system? Cheers, Daniel KroehnRecommending DATRATS, supplying quality DATSUN performance partswww.Datrats.com.au 


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