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Stock y pipe diameter

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Old

Mar 10, 2011 | 07:50 PM

#1

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Joined: Oct 2002

Posts: 195

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From: Toms River, NJ

Car: '89 Camaro Rs/ '87 Z28

Engine: 305 c.i. TBI/ 305 c.i. 4bbl

Transmission: 700r4/T5

Axle/Gears: 3.73 posi/ 3.73 posi

Stock y pipe diameter

Anyone know the Diameter of a stock ypipe on an 87 z28 305. The end that goes to the cat.

Old

Mar 14, 2011 | 08:54 AM

#2

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iTrader: (2)

Joined: Jan 2010

Posts: 446

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From: Carrollton Texas.

Car: 1985 Camaro Z28

Engine: 305 mild build up

Transmission: 700r4

Axle/Gears: Stock

Re: Stock y pipe diameter

IIRC it is 2-1/4. What are your planes?

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