Magnaflow 12589 or 12909???

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NORCAL SS

SUV SUSPENSION GURU
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i do a lot of tahoe and eskys with 6.2 with the magnaflows for customers and offer it on my page

http://www.tbssowners.com/store/index.php?act=viewCat&catId=66

that being said the 6.2s the 12909 is the way to go with the resonator cut off.

install on emy escalade
https://www.youtube.com/watch?v=I_E5417xFVo

i also took the 3rd cat off and sounds fine


now on the 5.3 the 12589 hands down way to go. If you decide that you will be doing headers hit me up I have the other part number that will work with headers/no cats so the truck wont be loud because with the 12589 and headers/no cats it drones a lot.
 

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