Anyone with 350 and dual cats???
Joined: Jul 1999
Posts: 10,950
Likes: 27
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
The only difference between a cat-back for a single-cat car and one for a dual-cat car is the pipe where it joins to the y-pipe. Any competent muffler shop can fix that piece for you for a small charge.
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Eric-86sc
Engine/Drivetrain/Suspension Parts for Sale
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Aug 24, 2015 09:01 PM








