Racing Optics Tearoffs XSTACK™ (CLEAR) Apollo Flowmaster Federal universal catalytic converters

Flowmaster Federal universal catalytic converters are designed to meet federal EPA emissions requirements on a wide variety of applications

please note stock knock sensors are highly unlikely to be utilized under any type of after market tuning situations and deemed unnecessary

Quality construction for durability

No need to have an unprofessional and messy look by jumping resistors over each other

Can be mounted almost anywhere

Racing Optics Tearoffs XSTACK™ (CLEAR) Apollo Flowmaster Federal universal catalytic convertersThe XStack is a stack of 10 laminated tear offs that are 2 mil thick each. The laminated technology creates a distortion free optical lens. Each package contains 3 stacks of 10 tear offs for a total of 30 tear offs. Clear.