Catalytic Converter rattle.

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May 5, 2008 | 10:10 PM

#11

zimsilverado

Joined: Oct 2007

Posts: 40

From:

RE: Catalytic Converter rattle.

It should be a Federal warranty on the emissions parts. Check your owners manual.

May 5, 2008 | 11:00 PM

#12

Chevycowboy

Thread Starter

Senior Member

Joined: Dec 2007

Posts: 184

From: El Dorado Hills, CA

RE: Catalytic Converter rattle.

Well I made a call to the muffler shop up the hill and they quoted me at $325 for high flow Magnaflow cats. Thanks for the responses everyone!

May 6, 2008 | 07:57 AM

#13

jcbst12

Senior Member

Joined: Jul 2007

Posts: 1,855

From:

RE: Catalytic Converter rattle.

High flow cats are bad! (mmm-k!) lol. No seriously that is the #1 backpressure killer on trucks, especially the LS series engines.

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