Exhuast work - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-11-2005, 04:03 PM   #31
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3" is WAAAY too large for our cars. 3" is too large for some of the 12ers here.. so don't even THINK of putting a 3" exhaust on your'*. 2.5" for the 92+ */C'*.


-justin
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Old 02-11-2005, 04:04 PM   #32
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yer, unless you've got a turbocharger, you don't really want a 3" setup, it'* a bit big.
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Old 02-12-2005, 04:03 PM   #33
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yeah, I'm going with you guys. I think 2.5 should be big enough.

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Old 02-12-2005, 05:20 PM   #34
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If you had */C with a smaller pulley than 2.5". You wouldn't benefit from a 3" exhaust. I'm think of going to 3" when I get my rockers done, and some other mod'* done so i can go even smaller.
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