Eurotek CatBypass pipes are still on sale. but only till the end of the year.

Product Features & Benefits
•+28 WHP & +9 WTQ
•Designed and Manufactured in the USA
•T304 Stainless Steel materials
•Completely Tig welded
•63.5mm (20% increased diameter) Inlet and Outlet design (50.8mm on factory cats) match ported to utilize factory gaskets
•Reduces weight by 11lbs. (stock cats weigh in combined at 19.2lbs. Eurotek Cat delete pipes weigh in combined at 8.2lbs.)
•Low profile design
•Mandrel bends
•Laser CNC cut OEM style mounting flanges (No welding or cutting required)
•Designed to work with stock and most aftermarket stock mounting exhaust systems
•Direct fit
•Will add more sound to your exhaust note
•Reduced Exhaust Gas Temps
•Includes New OE gaskets and hardware
•Limited Lifetime warranty

http://www.etektuning.com/eurotek-t3...cing-use-only/