Ghost10
Full Access Member
- Joined
- Feb 16, 2017
- Posts
- 620
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- 256
should I use the stock box, and just add this
or buy the whole kit that adds the cone filter. question is will I fail smog with the open cone filter over using the stock box? how much gain % is really noted between the two???
or buy the whole kit that adds the cone filter. question is will I fail smog with the open cone filter over using the stock box? how much gain % is really noted between the two???