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2005 GMC Sierra Catalytic Converters

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Latest Customer Reviews

Magnaflow Catalytic Converters - 49 State Legal Reviews


Sounds alot better than expected

Reviewed By Joe P (Austin, TX) Reviewed for a 2005 GMC Sierra —7/23/2009 4:45 PM

Delivery was on time and quick (4 days) I had my mech. install it for me said he removed xmsn crossmember to remove y-pipe made my truck sound alot better than I expected the cat converters completed my exhaust system very happy with the cat converters and autoanything best price and best customer service =HAPPY CAMPER as far as MPG or power have yet to run a check on the truck plan to do some playing around with the hypertech hyperpac (also from autoanything) truck should do very well for MPG and power the Volant CAI with air scoop,MAF sensor, HELIX power tower plus TBS, GIBSON headers,MAGNAFLOW cat converters,FLOWMASTER duel exhaust and the programmer should make the 5.3 run nice all items but flowmaster from autoanything keep up the great job you are doing.

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Magnaflow Catalytic Converters - 50 State California Legal Reviews


AutoAnything cam through again....

Reviewed By Robert O (Apple Valley, CA) Reviewed for a 2014 GMC Sierra —12/14/2013 1:38 AM

Not only did AutoAnything deliver in less than 24 hours, but the price with the Black Friday discount and free delivery blew everyone else out of the water... Had the cat installed on a Monday and my truck passed it's Smog test with flying colors.. Not bad for a 20 year old Yukon 2 door, 4x4... Thank you AutoAnything...

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Flowmaster Universal Catalytic Converters - 49-State Legal Reviews


1985 Delta 88 cat replace

Reviewed By Charlene J (Faribault, MN) Reviewed for a 1985 Oldsmobile 88 —8/25/2017 8:41 PM

I purchased a Flowmaster cat converter to stop a check engine light from coming on. I also wanted some extra exht noise even though I only have a 231 V6. Mission accomplished on both.

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