Thread: What diam. cat back will bolt right up
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Old 11-08-2006, 08:40 AM
Dropkick13 Dropkick13 is offline
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What diam. cat back will bolt right up
I have an 06 Ext Cab standard bed 4x4 5.3L silverado,

What diameter cat back system will bolt (not weld) right up to the rest of the stock piping? most kits are either 3" or 2.5" and i hear the stock is 2.75"
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