Cats

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Oct 20, 2009 | 02:43 PM

huntin03z71

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Junior Member

Joined: Aug 2009

Posts: 14

From: Mechanicsville, VA

Cats

i wanna put two high flow cats on my truck but idk the size of pipes on the truck....what size inlet cats should i buy? thanks

Oct 20, 2009 | 03:48 PM

timber74wolf

TruckForum Addict

Joined: Apr 2008

Posts: 818

From: Houston, Texas

Why do you want to instal cats when you do not have any on it as it sits now? Fail an inspection? Trying to gain some backpressure back? Or are you do you have a check engine light on?

Oct 20, 2009 | 06:51 PM

RUFFNECK4LYFE

Toyota, Nissan, and Other Truck Forum Moderator

Joined: May 2009

Posts: 1,845

From: West Texas

Try 3"

Oct 20, 2009 | 11:46 PM

chevy112488

Senior Member

Joined: Feb 2007

Posts: 985

From: Jackson, TN

2.25" is stock size a believe.

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