The stock exhaust header with catalytic converter vs. SuperCircuit.
The K20A engine is waiting....
The SuperCircuit extractor is installed and it is designed to be 100% compatible with the stock exhaust system. Just plug 'n play and no further modification is required during the installation.
For more information, please contact SuperCircuit Exhaust Pro Shop, Sunway Technology Park. Tel: +6 03 5632 2855 or join our SuperCircuit Exhaust Facebook.