If your OE CAT is Tired as they do get after a few years ( approx 7 ) or you simply want to replace your OE CAT which are very restrictive in Flow then this is the Answer for you.

STAINLESS STEEL METALLIC CORE RACING CAT

Better suited to the High HP cars Utilizing the Metallic core over Ceramic options

UNIVERSAL FITMENT so can fit many applications  - Will need to be welded into the System

Has 3.5 " Diam Throughout
Does NOT have 02 Sensor port
100 CPSI

280mm Long