stock exhaust size

[1ofakindgt]

whats the stock exhaust size

 

[BJS]

stock exhaust from the downpipe flange back is 3.5" The factory downpipe is a nice flattened nightmare that flows horribly.

The "standard" upgrade is to a 3" downpipe and 4" from after the downpipe to the rear with mandrel bends. space constraints limit the downpipe size without firewall modifications and you may need to bend the pinch weld as it stands now.

 

[1ofakindgt]

yea i think today im gonna get a 3in downpipe and just cut the muffler and converter off and just put a tip on for now.