Spohn 503 subframe connector
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Supreme Member

Joined: Jan 2000
Posts: 1,190
Likes: 90
From: Mississauga, Ontario Canada
Car: 1987 GTA
Engine: 5.7
Transmission: T5WC
Axle/Gears: 3:27
Spohn 503 subframe connector
Tried the search but didn't see what I was after. The 503 subframe connectors from Spohn say they fit dual and single Cat applications. I have a single CAT in the factory location. The picture on their website has the tie-bar going right through the location where the CAT would sit. Am I missing something? How did you guys find the fit on these things? I'm not seeing how that tie-bar will attach with the converter still installed.
Joined: Sep 2000
Posts: 2,504
Likes: 195
From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: Spohn 503 subframe connector
It will go between the cat and the floorboard. It's tight, but it will fit.
Thread Starter
Supreme Member

Joined: Jan 2000
Posts: 1,190
Likes: 90
From: Mississauga, Ontario Canada
Car: 1987 GTA
Engine: 5.7
Transmission: T5WC
Axle/Gears: 3:27
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