GT Spec
Exhaust Manifolds are designed and built to rigorous race specifications.
The manifolds are constructed of highly polished SUS 304 piping
and are TIG welded for durability and strength. The collector
pipes at the exhaust ports are deburred and hand-ported for
optimal exhaust flow. The 4-2-1 design is used for high horsepower
gains without sacrificing mid-range torque like most 4-into-1
configurations.
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