Quick Y pipe question

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Sep 1, 2005 | 05:45 PM

RedRock_Z71

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From: FL Panhandle

Quick Y pipe question

What diameter is the stock Y pipe going into the cats? Thanks.

Sep 1, 2005 | 05:51 PM

Start2Fabrication

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2.5" on my '03 5.3

Sep 1, 2005 | 06:07 PM

RedRock_Z71

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From: FL Panhandle

Awesome, thats what it looked like to me. Thanks!

Sep 2, 2005 | 02:33 PM

LS1Silverado05

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From: Orlando, FL

Im 99.9% sure that its an oddball size like 2.75 on my 05 Z71

Sep 2, 2005 | 03:38 PM

Start2Fabrication

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it is 2.75" from after the y pipe to the tailpipe on my '03 5.3

Sep 2, 2005 | 04:01 PM

chevythunder06

In the 12's??????

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From: Southold Long Island NY

Just checked my stock Y pipe put away in the garage, It measured 2.5 inches. But its for an 04. probly the same for all the NBS.

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