Stage 2
GRBGRB STI Stage 2 Big Turbo Build
Full turbo upgrade with FMIC and E85 support for 420+ whp.
Build Steps
Parts List & Install Order
Required Parts · 5
Optional Upgrades · 3
Cost Summary
Required parts (5)$5,113.13
Optional upgrades (3)+$1,692.74
Total (best prices)$6,805.87
Prices from lowest available supplier. Does not include shipping or labor.
Research Sources
Community Attribution
subie_hatch
NASIOC
GRB hatch build for time attack events with detailed dyno results
View original build threadCommunity builds are sourced from public forums and social media. Parts lists may have been adapted for clarity. Always verify compatibility before purchasing.