Going from 2.25 to 2.5, does it really make a difference?

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May 7, 2010 | 12:18 PM

95Cherokee

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CF Veteran

Joined: Feb 2009

Posts: 2,203

Likes: 3

From: Houston Tx.

Year: 1995

Model: Cherokee

Engine: 4.0

Going from 2.25 to 2.5, does it really make a difference?

Will going to 2.5 on the exhaust piping, (or bigger), make your Flowmaster any louder? Will there be any power gain?

May 7, 2010 | 12:42 PM

The91XJ

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Joined: Jul 2009

Posts: 735

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From: Utah

Year: 1999

Model: Cherokee

Engine: I6 4.0L

Going to 2.5 your exhaust will not be noticeably louder. There may be a very minimal power gain, but also un noticeable.

May 7, 2010 | 12:56 PM

fishtaconc

CF Veteran

Joined: Mar 2009

Posts: 1,208

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From: Watha,NC

Year: Jeepless at the moment

any larger than 2.5 will move any power gains up in the rpm band, also reducing some low end torque

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