GREDDY SPORTS CATALYZER ZN6,ZN8/ZC6,ZD8 ONLY CATALYZER FO

Product features:
- It is a single catalyst unit that is required when making the already released GReddy turbo kit catalyzer-less and GReddy circuit spec exhaust manifold conform to safety standards.
- It can also be used when a catalyst is required due to circuit or competition regulations.