Just got my copies of the new Stillen catalog and here's the new Stage chart according to them with approximate hp gain: Turbo: Stage 1: Stillen Hi-Flow Intake (20) Stage 2: Stillen Exhaust (23) Stage 3: ECU Upgrade (60) Stage 4: Underdrive Pulley (10) Stage 5: Ignition Upgrade (4) Stage 6: Stillen Aluminum Flywheel (10) Stage 7: Stillen Intercoolers (10) Stage 8: Boost Controller (15) Stage 9: Stillen Mid-Pipes (Test Pipes) (15) Stage 10: Twin Hi-Flow and 555 Injectors (15) Stage 11: Turbo Upgrade Stage 11a: Stillen Turbo upgrade 1 (50) Stage 11b: Stillen Turbo upgrade 2 (65) Stage 11c: Stillen Turbo upgrade 3 (65) Stage 11d: Stillen Turbo upgrade 4 (100) Stage 11e: Stillen Turbo upgrade 5 (125) Stage 11f: Stillen Turbo upgrade 6 (150) Stage 11g: Stillen Turbo upgrade 7 (200) Stage 12: Ported Exhaust Manifolds (10) Stage 13: NOS (50) Stage 14: Cams, Billet (35) Stage 15: Extrude Hone Plenums (10) Stage 16: Ported, Polished and flowed Heads (10) Stage 17: Forged Pistons Stage 18: Forged Billet of Titanium Con Rods Stage 38D: Pamela Anderson now Stage 38DD: Pamela Anderson six months ago Non-Turbo: Stage 1: Stillen Hi-Flow Intake (6) Stage 2: Stillen Exhaust (13) Stage 3: ECU Upgrade (11) Stage 4: Underdrive Pulley (9) Stage 5: Stillen Headers (21) Stage 6: Ignition Upgrade (4) Stage 7: Stillen Aluminum Flywheel (10) Stage 8: Cams (15) Stage 9: Extrude Hone Intakes (10) Stage 10: Ported and Polished Heads (15) Stage 11: NOS (50-75)
Alex 1990 2+2 Stg IV+ 1994 TT Stg III Alex's World
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