HKS STAINLESS STEEL EXHAUST MANIFOLD 2013+ FR-S (ZN6) Universal - 2618 T6 high tensile

- 2618 T6 high tensile forged aluminum

75" diameter to 2

88" OD flange with 2

21 φ88 2301-RT042

HKS STAINLESS STEEL EXHAUST MANIFOLD 2013+ FR-S (ZN6) Universal - 2618 T6 high tensileProduct Manual 33002 BT001 Fits: 2013+ FR S (ZN6) Size : 42. 7mm 50. 8mm 60mm Style: 4 2 1 FEATURE The Stock exhaust manifold was designed by the 4 2 1 type layout for a better performance for a lower engine speed torque. Because the first catalyzer is mounted at the exhaust manifold, exhaust pulsatory motion makes the exhaust gas to pull back to the pipe at middle RPM range. It causes a loss of output by behaving as an exhaust gas recirculation. The