I just Installed HKS Hi Power exhaust system today, the sound is not to loud during idle. Sound very nice during high rev. Overall review it has been great. Very nice looking.
Best for those people who prefer not so loud and looks.
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Jeep SRT8 - Black 6.1L V8 Hemi (2010)
370z - Chicane Yellow 09 6MT
350z - Black 06 AT
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