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104 Posts
3 Inch
I have a 3 inch cat back with a Magnaflow on my 99 GMC Suburban and I am more than pleased. I thing it woke it up a fair amount .I know it helped with towing my boat.
I have a 3 inch cat back with a Magnaflow on my 99 GMC Suburban and I am more than pleased. I thing it woke it up a fair amount .I know it helped with towing my boat.
