SUPER MANIFOLD with CATALYZER R-SPEC is more advanced and upgraded product of SUPER MANIFOLD with CATALYZER GT-SPEC. By removal of the catalyzer at the exhaust manifold, we could have a substantial reduction of the exhaust pressure. We also redesigned layout of front pipe with HKS metal catalyzer (this product comes with front pipe that passed Japan exhaust regulation).
HKS: Manifold R Spec with Catalyser 86/BRZ (MT only!)
Brand: HKS
Part Number: 33005-AT006
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