Thunderbolt 2 1/4" Inlet/Outlet Universal Spun Catalytic Converter, 4" Round, 11" Long, High-Flow, Stainless Steel, OBDII Compliant

Used a pair of these to repair and update the exhaust on my Tundra. Stock exhaust size was 1 3/4", and the previous owner straight piped the truck. Installed a pair of these with 2.25" pipe, through a dual inlet/outlet 2.25"dia, 19" long Borla Pro-XS muffler, sounds great, runs better!

I installed it yesterday, and did not have any trouble at all. It is a near perfect fit. I will continue to buy the products in the future. Shipping speed was quick and the price I can't complain. The truck passed emission test today, amazing tiny thing. Thank you

all ready fell apart, not a good part.

Inside had broken pieces and wasn't fully flushed with housing. Guy at muffler shop said if installed, will eventually deteriorate and mess up the whole exhaust system. Dissatisfied with the product and needed it

Perfect for LSX swap. I bought 2 for my 95 Tahoe with 5.3 conversion

Sounds nice

I bought about 20 pc of those , one of them was broken honeycomb :(But over all its a good product