Maximize Peak Horsepower & High-RPM Power for Your Toyota 1NZ-FE!

Unleash top-end performance and high-rev power with the Toyota 1NZ-FE 1.5L 4-1 Performance Exhaust Header. Custom-engineered specifically for Toyota’s legendary 1.5L DOHC VVT-i engine, this 4-into-1 configuration merges all four primary runners directly into a single collector, maximizing exhaust gas scavenging at high RPMs.

If you are looking for rapid top-end acceleration, high-rev power delivery, and an aggressive exhaust note, the 4-1 header design is the ultimate performance upgrade for track days, highway cruising, and high-performance driving.

Crafted from premium High-Grade Stainless Steel with precision TIG welding, this header withstands extreme exhaust temperatures, resists corrosion, and ensures maximum air-flow velocity.

Why Choose a 4-1 Configuration?

Maximum Top-End Horsepower: Merges 4 primary pipes directly into 1 collector, optimizing exhaust velocity for peak power delivery at high RPM.
Instant High-RPM Acceleration: Reduces high-rev backpressure, allowing the 1NZ-FE engine to pull hard all the way to redline.
Aggressive Sporty Exhaust Tone: Produces a sharper, more distinct, high-pitched exhaust note under hard acceleration.
Ideal for Track & Spirited Driving: Perfect for drivers looking to maximize peak power during high-speed runs and competitive driving.

Key Features & Highlights:

Optimized 4-Into-1 Design: Engineered with equal-length runners to enhance exhaust pulse scavenging and high-speed exhaust flow.
High-Grade Stainless Steel Construction: Extremely durable, rust-proof, and resistant to extreme exhaust heat cycles.
Precision TIG Welding: Guarantees leak-free joints and smooth internal walls for turbulence-free gas flow.
Direct Bolt-On / Plug and Play (PNP): Custom-made for precise fitment to original engine mounting points without structural modifications.
Pre-Drilled O2 Sensor Port: Integrated O2 sensor bung allows easy reinstallation of your factory oxygen sensor.

Vehicle Compatibility:

Engineered specifically for vehicles powered by the Toyota 1NZ-FE (1.5L DOHC VVT-i) engine:

Toyota Yaris (Gen 1 / NCP91 / 2006–2013)
Toyota Yaris (Gen 2 / NCP131 / 2014–2016, prior to 2NR-FE transition)
Toyota Vios (Gen 1 / Gen 2 / Gen 3 — NCP42 / NCP93 / NCP150, 2003–2016)
Toyota Limo (Gen 1 / Gen 2 / Gen 3)
Toyota Sienta (Select markets powered by the 1NZ-FE engine)

Technical Specifications:

Header Configuration: 4-1 (4-into-1 High-RPM Performance Header)
Engine Code: Toyota 1NZ-FE 1.5L DOHC VVT-i
Material: High-Grade Stainless Steel
Wall Thickness: 1.5 mm (Heavy Duty)
Welding Method: Precision TIG Welded
Fitment: Direct Bolt-On / Plug and Play (PNP)
Sensor Compatibility: Includes integrated O2 Sensor Bung / Port

Package Includes:

1x Stainless Steel 4-1 Performance Exhaust Header for Toyota 1NZ-FE 1.5L

Yaris NCP91 4-1 Header

Toyota 1NZ-FE 1.5L 4-1 Performance Exhaust Header – Yaris (NCP91/NCP131), Vios (NCP42/NCP93/NCP150), Limo