STM Evo X GESi EPA Stainless High Flow Cat TIALBACKORDER much smoother and quicker shifting

much smoother and quicker shifting

5" tubing and full CNC machining on the top side so you can expect a perfect fit every time

tied into the PCV system on the back of the engine will

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we determined that the additional few dBs offered by wiring with a relay weren't worth the added headache and potential failure points of a more complex harness using the relay

STM Evo X GESi EPA Stainless High Flow Cat TIALBACKORDER much smoother and quicker shiftingThe STM stainless high flow cat for Evo X features a full stainless steel construction, tig welded in house at STM and utilizes the 85030 GESi GEN1 ultra high output EPA compliant catalytic converter. Bolts right in place of your stock cat and uses the factory hanger. Both O2 bungs are included as pictured for your factory o2 sensor and and a wideband if you run one, as well as the extra plug if you don't. Vehicle Fitment: 2008 2015 Mitsubishi Lancer