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Discussion Starter · #1 ·
Hey, I have a 2019 wrx and I want to go into stage 1 but I can’t seem to find what parts I’d need in order for the tune to run at best performance. I know for sure, Intake and catback? But is there anything else? I don’t want to overdo it either.
 

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Most places sell staged packages with the correct tune.
 

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Æternum
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15,466 Posts
Map notes are your friend.

Map Version Notes:
Stage1 Maps

Stage1 91
Fuel Requirements:
91 octane or better
Intake Requirements: Stock airbox and stock air filter
Exhaust Requirements: Stock
Boost Targets: ~19.0psi peak boost pressure tapering down as you approach the 6900RPM redline, +/- 1.5psi.
Stage1 93
Fuel Requirements:
93 octane or better
Intake Requirements: Stock airbox and stock air filter
Exhaust Requirements: Stock
Boost Targets: ~19.0psi peak boost pressure tapering down as you approach the 6900RPM redline, +/- 1.5psi
 

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17 Posts
Discussion Starter · #8 ·
Map notes are your friend.

Map Version Notes:
Stage1 Maps

Stage1 91
Fuel Requirements:
91 octane or better
Intake Requirements: Stock airbox and stock air filter
Exhaust Requirements: Stock
Boost Targets: ~19.0psi peak boost pressure tapering down as you approach the 6900RPM redline, +/- 1.5psi.
Stage1 93
Fuel Requirements:
93 octane or better
Intake Requirements: Stock airbox and stock air filter
Exhaust Requirements: Stock
Boost Targets: ~19.0psi peak boost pressure tapering down as you approach the 6900RPM redline, +/- 1.5psi
take a look at maperformance.com's stage1

Thanks guys! I appreciate it!
 

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Discussion Starter · #10 ·
Thank you! I think i might do the 91 tune. Most gas stations here i think are usually 91. I've seen a couple 93's but it's not consistent.
 
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