B58 Gen 2 Build Breakdown (2019+ models)

🚘 B58 Gen 2 Build Breakdown (2019+ models)

Stock WHP: 340

440 WHP (+100 WHP over stock)

• MHD Super License (Link to product)
• MHD Wireless Flash Adapter (Link to product)
• NGK 94201 spark plugs (Link to product)
• RK Tunes Front Mount Intake (Link to product)
• RK Tunes High Output Ignition Coil Packs (Link to product)
• RK Tunes Charge Pipe
• RK Tunes Custom tune (Link to product)

455 WHP (+115 WHP over stock)

All above PLUS below:

• Hi-Flow Catted Downpipe
• 93 Octane

510 WHP (+170 WHP over stock)

All above PLUS below:

• E30 Fuel Blend
• MHD Flex-Fuel Kit (Link to product)

650 WHP (+310 WHP over stock)

All above PLUS below:

• RK Tunes Dual Ball Bearing Turbo
• Port Injection with MOTIV Reflex & 750cc+ Injectors (Link to product)
• RK Tunes Low-Pressure Fuel Pump 

750 WHP (+410 WHP over stock)

All above PLUS below:

• Stage 1 Transmission / Upgraded Clutch (manual)

850–900 WHP (+510–560 WHP over stock)

All above PLUS below:

• Full-Frame Turbo (6466)
• Charge Air Cooler / Upgraded Intake Manifold
• Stage 2 or Better Transmission

950–1100+ WHP (+610–760 WHP over stock)

All above PLUS below:

• Full-Frame Turbo (68–70mm+)
• Fully Built Engine
• Full Low-Pressure Fuel Pump System (2+)

Notes (B58 Gen 2):

• ✅ Spark plugs every 10k miles (NGK 94201)
• ✅ Ignition coils every 50K miles
• ✅ New factory direct injectors suggested every 70K miles
• ✅ Hi-Flow Catted Downpipes recommended
• ✅ Charge pipes get brittle and break randomly
• ✅ Manual cars require upgraded clutch at higher WHP
• ✅ Port Injection > DI-only for high WHP builds
• ✅ RK-Tunes parts recommended but not mandatory
• ✅ We NEVER tune with methanol injection
• ✅ See Direct Injection vs Direct Injection + Port Injection breakdown for all cars
• ✅ Spark Plug Gaps:
  ≤550 WHP: .030
  551–700 WHP: .025
  701–850 WHP: .022
  851–1000 WHP: .018
  1000+ WHP: .016