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FI cat less downpipe owners
Can the fI Catlass be used with a JB4 ?
ucalyptus
Post #16
Sep 13, 2025
Forum:
General Supra Topics
Jb4 a90 Supra 2022
That’s the only map that has e30. The map with 26psi absolute and (e30+) was producing beyond 26 so I turned it back to map 3.
ucalyptus
Post #4
Mar 14, 2025
Forum:
General Supra Topics
Jb4 a90 Supra 2022
Map 3 log.
ucalyptus
Post #2
Mar 14, 2025
Forum:
General Supra Topics
Jb4 a90 Supra 2022
Recently got a JB4 installed. Most noticable and best map was 3. 93+e30. Would getting a custom map be worth it? If so does the boost levels stay about the same as map 3?
ucalyptus
Thread
Mar 14, 2025
Replies: 4
Forum:
General Supra Topics
Jb4 Fault code 118001: Mixture too lean
Recently got a JB4 installed. On map 3 with e30. Noticeably faster. Would a custom map be worth it? If so, what’re the boost levels in custom map.
ucalyptus
Post #9
Mar 14, 2025
Forum:
General Supra Topics
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