ISR Performance
ISR Performance Universal Exhaust Silencer - 4"
$25.00
- SKU:
- IS-UNIS-4
ISR Universal Exhaust Silencer - 4"
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Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.
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Fantastic Noise Reduction
Holy cow! I am surprised by just how much this reduced the noise from the exhaust on my miata. Especially on a turbo setup. It may be a little tricky to get it in by hand, but it makes it easier if you clean out the soot from the inner lip of the exhaust.
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Strongly recommend
Greatly reduced drone. It's a must have
