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Dean · 2009-07-13, 12:12 PM

Apparently they are common on aircraft and stock exhausts and are called spring bolt couplings.

It might be interesting to build a turbo crossover pipe with one of these instead of the "flex" joints that fail as well.

Manufacturer is FlangeEx Manufacturing. The product page is messed up, but here are the part numbers.

Part # SPRING BOLT COUPLING w/PIPE EXTENSIONS

FX1750 Spring Bolt Coupling 1-3/4" in/out - 10" long
FX2000 Spring Bolt Coupling 2" in/out - 10" long
FX2250 Spring Bolt Coupling 2-1/4" in/out - 10" long
FX2500 Spring Bolt Coupling 2-1/2" in/out - 10" long
FX3000 Spring Bolt Coupling 3" in/out - 10" long

Here is a Canadian reseller.

https://www.theflangeman.com/cgi-bin...ion&key=FX2000

Others:

http://stores.shop.ebay.com/Mandrel-...&submit=Search

http://www.mandrelbendingsolutions.c...g-10%22/Detail

http://www.ultralightnews.ca/exhaust...inedstruts.htm

2009-07-13, 12:12 PM	#2
Dean Señor Cheap Bastarde Real Name: Dean Join Date: May 2003 Location: $99 Tire Store Posts: 9,294 Car: $.04 STI Class: Fast,Cheap & Reliable=STI Deal, did somebody say Deal? Oh, Dean, yeah that's me.	Apparently they are common on aircraft and stock exhausts and are called spring bolt couplings. It might be interesting to build a turbo crossover pipe with one of these instead of the "flex" joints that fail as well. Manufacturer is FlangeEx Manufacturing. The product page is messed up, but here are the part numbers. Part # SPRING BOLT COUPLING w/PIPE EXTENSIONS FX1750 Spring Bolt Coupling 1-3/4" in/out - 10" long FX2000 Spring Bolt Coupling 2" in/out - 10" long FX2250 Spring Bolt Coupling 2-1/4" in/out - 10" long FX2500 Spring Bolt Coupling 2-1/2" in/out - 10" long FX3000 Spring Bolt Coupling 3" in/out - 10" long Here is a Canadian reseller. https://www.theflangeman.com/cgi-bin...ion&key=FX2000 Others: http://stores.shop.ebay.com/Mandrel-...&submit=Search http://www.mandrelbendingsolutions.c...g-10%22/Detail http://www.ultralightnews.ca/exhaust...inedstruts.htm __________________ I am a Commodore PET --- Now get off my lawn you kids... Last edited by Dean; 2009-07-13 at 12:29 PM.