N55 E-Chassis Turbo Upgrade

💥 BigBoost Stage 3 Turbo Kit – MPR 6564

Engineered for performance, endurance, and reliability. The Stage 3 BigBoost Kit is designed for enthusiasts pushing their builds beyond the limits of traditional upgrades. Whether you're dominating track days or chasing high WHP goals on the street, this kit is built to deliver uncompromising performance with OEM-like integration.

🔧 What’s Included:

• Twin-Scroll Exhaust Manifold

  • 1.5″ runners feeding all 6 cylinders equally

  • Optimized for balanced flow and quick spool

• BigBoost MPR 6564 Turbocharger

  • Precision-matched for Stage 3 performance

• 3″ Turbocharger Inlet

• External Wastegate & Dump Pipe

• 4-Ply Silicone Hoses

  • Heat-resistant and reinforced for long-term durability

• V-Band Clamps

  • Quick assembly and leak-free operation

• Coolant Aeroquip Hoses

  • Premium-grade lines for efficient heat management

• Hard Pipe for Cooling System

• Boost Pipe (Charge Pipe)

• Stainless Steel Braided Oil Feed Lines (AN)

  • High-temp and pressure rated

• Turbo Oil Drain Coupler

• Oil Drain Aeroquip Hose

• All Stainless Steel Hose Clamps

🧠 Why Go Stage 3 with BigBoost?

• Proven Performance & Safety
  In-house testing shows ideal 1.11–1.12:1 back pressure ratios, ensuring safe and efficient combustion under boost.

• Track-Tested
  Real-world durability proven in 6–12 hour endurance races with consistent reliability and power output.

• OEM-Like Fitment
  No need to relocate the water pump. In fact, you don’t even remove it during install — making this one of the easiest Stage 3 kits to install.

⚠️ Note: BOV (Blow-Off Valve) Kit not included. Can be purchased separately depending on your desired configuration.