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Mr. Otis Mr. Otis is offline
New Member
Posts: 1
Join Date: Dec 2019
Car: 2019 Lexus IS300 F Sport RWD (Turbo)
Default JB4 for a 2019 IS300 F Sport RWD (Turbo) - 12-06-2019, 09:21 AM

Hello, all.
I am looking at getting more power for my car using JB4.
What do I need to order in order to run reliably on stock components (e.g. intake, exhaust, etc.)?
Please advise.
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