wut is stock intermediate pipe diameter for 88 350 GTA?
Thread Starter
Supreme Member
Joined: Jun 2001
Posts: 3,175
Likes: 1
From: Bedford, Tx
wut is stock intermediate pipe diameter for 88 350 GTA?
as it says. mine is 3", and i keep hearing other people saying theres are 2.5"
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88' GTA 350 MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT
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88' GTA 350 MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT
Senior Member
Joined: Jun 2001
Posts: 562
Likes: 0
From: New Port Richey, Florida, USA
Car: 1989 Pontiac GTA Hardtop.
Engine: ZZ4 - 350
Transmission: Garbage
I believe that it is 3 inch.
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Check out My Car Pics http://albums.photo.epson.com/j/Albu...667&a=13599419
Gran Turismo Americano "The Ultimate Firebird"
Smokin 1989 GTA- Bone stock except for exhaust. (no catalytic-stainless pipe into Flowmaster 2 chamber) & AC Delco Rapid Fire Plugs
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Check out My Car Pics http://albums.photo.epson.com/j/Albu...667&a=13599419
Gran Turismo Americano "The Ultimate Firebird"
Smokin 1989 GTA- Bone stock except for exhaust. (no catalytic-stainless pipe into Flowmaster 2 chamber) & AC Delco Rapid Fire Plugs
Senior Member
Joined: Jun 2001
Posts: 562
Likes: 0
From: New Port Richey, Florida, USA
Car: 1989 Pontiac GTA Hardtop.
Engine: ZZ4 - 350
Transmission: Garbage
Thanks Drew. Now we both know.
Take care
Mike
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Check out My Car Pics http://albums.photo.epson.com/j/Albu...667&a=13599419
Gran Turismo Americano "The Ultimate Firebird"
Smokin 1989 GTA- Bone stock except for exhaust. (no catalytic-stainless pipe into Flowmaster 2 chamber) & AC Delco Rapid Fire Plugs
Take care
Mike
------------------
Check out My Car Pics http://albums.photo.epson.com/j/Albu...667&a=13599419
Gran Turismo Americano "The Ultimate Firebird"
Smokin 1989 GTA- Bone stock except for exhaust. (no catalytic-stainless pipe into Flowmaster 2 chamber) & AC Delco Rapid Fire Plugs
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
<font face="Verdana, Arial" size="2">Originally posted by Drew:
Stock L98 intermediate pipes are 2.75" in diameter. </font>
Stock L98 intermediate pipes are 2.75" in diameter. </font>
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1991 Camaro Z28
5.7L 5-Speed (originally 305)
317 RWHP, 418 RWTQ
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
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