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Old 05-31-2008
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RallyBob RallyBob is offline
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For the do-it-yourselfers out there, this is the breakdown of parts I used to make the exhaust system.

2.5" 'J' bend from T304 stainless steel (2 used)
2" 'J' bend from T304 stainless steel for over-axle pipe (1 used)
2.5" straight T304 stainless steel tubing (1 used)
1/2" stainless steel hanger rods
Preformed 2.5" stainless exhaust band clamps (2 used)
2.5" v-band exhaust clamp
Magnaflow 14" satin stainless muffler, 2.5" (front position, only fits 1975 California Opel floor pans!) offset/center
Magnaflow 14" satin stainless muffler, 2.5" (center position) center/center
Magnaflow 18" satin stainless muffler, 2.5" (rear position), offset/center

Of course, I welded via TIG, and used 1/16" thick 309 filler rod.

I also have some Powerflex urethane exhaust hangers on order. Rubber hangers just allow too much movement and the exhaust (tight fit!) hits the body and gas tank with them.

Of course, keep in mind I've modified other components to make it all work (like the torque tube crossmember, etc). But at least I know the exhaust will outlast the car now...

Bob
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'Bei dem Kerl ist Genie und Wahnsinn auch nah beieinander.
Alles würde ich dem nicht nachmachen, aber er bringt einen auf neue Ideen/Sichtweisen'

...that's the nicest thing anyone has said about me all year

Jan. 3, 1984 - Jan. 3, 2009, that's 25 years of this damn Opelitis!

C.R.L. 9/22/69 - 12/8/99
J.M.L. 3/3/43 - 6/15/04

Last edited by RallyBob; 05-31-2008 at 02:35 PM.