Backpressure
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Junior Member
Joined: Jun 2005
Posts: 68
Likes: 18
From: Yorktown, IN
Car: 1989 pontiac trans am gta
Engine: tpi 5.7
Transmission: th700r4
Backpressure
Can running without a catalytic converter cause you to lose too much backpressure? A friend of mine says the car will run stronger if I install one.....you guys have any input? Basically a stock tpi 350 is all I have. Thanks!
Supreme Member
Joined: Aug 2004
Posts: 4,168
Likes: 3
From: Marietta, GA
Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Thread Starter
Junior Member
Joined: Jun 2005
Posts: 68
Likes: 18
From: Yorktown, IN
Car: 1989 pontiac trans am gta
Engine: tpi 5.7
Transmission: th700r4
Re: Backpressure
oops, got in a hurry when I asked this question and didn't see the info at the top of the board. Thanks!
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ORAY777
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Apr 8, 2002 10:13 PM