Palindrome Labs FK8/FK7 SoundSkins Door Precut Kit for Sound Deadening Options:4pc Front & Rear Door Kit Helps maintain proper octane levels

Helps maintain proper octane levels to reduce potential detonation

This can be changed without re-bleeding clutch system

and a custom cushion bottom this is called a Ball Type Injector

cooler air intake temperatures

Palindrome Labs FK8/FK7 SoundSkins Door Precut Kit for Sound Deadening Options:4pc Front & Rear Door Kit Helps maintain proper octane levelsPalindrome Labs provide unique, high quality hand made audio upgrade solutions or Audio Art branding for Honda FK8 Civic Type R (2017 2021) and Civic Sport FK7 (2016 2021) Sport Touring models with factory subwoofer enclosures. Palindrome Labs FK8 FK7 SoundSkins Door Precut Kit for Sound Deadening Features: MADE TO ORDER PLEASE ALLOW 60 Days Minimum Lightest, thinnest most effective pro level sound deadening material from SoundSkins Exclusively