HKS Hi Power Exhaust for Evo 7/8/9 UDSM Bumper (31006-BM002) GlowShift whereas the Concave Flow Digressive

whereas the Concave Flow Digressive Technology has a broad range of 8kg spring rates

Very high lubricating power which decreases friction and wear

Fits both metal and plastic valve covers

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KYB offers high-performance drivers plenty of options

HKS Hi Power Exhaust for Evo 7/8/9 UDSM Bumper (31006-BM002) GlowShift whereas the Concave Flow DigressiveThe HKS Hi Power cat back exhaust is designed with power, performance and style in mind. For use with stock or modified cars. Meets JASMA standard. SUH409 construction with SUS304 stainless muffler. HKS parts are made in Japan. Vehicle Fitment: 2001 2006 Evolution VII VIII IX Designed for USDM Evo 8 9 bumper and JDM Evo 7 8 fitment. For the JDM 9 bumper, the tip would need to be modified and cut. Features: Polished tip Tip 120mm (4. 7 inches) Piping 3