Description
Unleash Peak V6 Performance & Exhaust Velocity on Your Lexus / Toyota 4GR-FSE Engine!
Unlock true V6 engine responsiveness and refined power with the 4GR-FSE 2.5L V6 3-1 Performance Exhaust Header Set. Custom-engineered specifically for Toyota and Lexus’s 2.5L direct-injected V6 engine (4GR-FSE), this set features a dedicated 3-into-1 runner configuration for each cylinder bank, accelerating exhaust pulse scavenging and reducing cylinder backpressure.
By merging 3 primary cylinders directly into a high-velocity collector per bank, the 3-1 layout maximizes high-RPM exhaust velocity and improves cylinder emptying. The result is a noticeable gain in horsepower, sharper throttle response, and a crisp, refined V6 exhaust acoustic.
Crafted from premium High-Grade Stainless Steel with precision TIG welds, these headers are engineered to withstand extreme heat cycles while giving your Lexus or Toyota luxury sport sedan the performance tone it deserves.
Key Performance Benefits of the 3-1 Configuration:
- Optimized V6 Exhaust Pulse Scavenging: Merges 3 cylinder runners per bank seamlessly into 1 collector for maximum gas velocity and reduced exhaust restriction.
- Enhanced Horsepower & Torque: Delivers a stronger mid-to-high RPM pull and immediate pedal reaction.
- Exotic V6 Exhaust Note: Produces a smoother, higher-pitched, and more resonant exhaust acoustic under hard acceleration.
- Lower Operating Temperatures: Efficient gas extraction reduces heat retention around the cylinder heads and engine bay.
Key Features & Highlights:
- Precision Mandrel-Bent Piping: Smooth internal bends prevent turbulence and maintain high exhaust flow velocity.
- High-Grade Stainless Steel Construction: Fully rust-proof, heat-resistant, and built for maximum longevity under extreme driving conditions.
- Precision TIG Welding: Smooth internal seams ensure zero flow restriction and structural integrity.
- Direct Bolt-On Fitment: Designed to match original engine head stud patterns and factory mounting locations.
- Integrated O2 Sensor Ports: Pre-welded oxygen sensor bungs provided for easy sensor installation on both banks.
Vehicle Compatibility (Global & JDM Models):
Engineered specifically for vehicles powered by the Toyota / Lexus 4GR-FSE (2.5L V6 Direct Injection) engine:
- Lexus IS 250 / IS 250C (GSE20 / GSE25 / GSE30 / GSE35 — 2005–2015)
- Lexus GS 250 (GRL11 — 2011–2015)
- Toyota Mark X (GRX120 / GRX125 / GRX130 / GRX135 — 2004–2019)
- Toyota Crown (S180 / S200 / S210 Series — 2003–2018)
Technical Specifications:
- Header Type: 3-1 Per Bank (V6 Performance Exhaust Header Set)
- Engine Code: Toyota / Lexus 4GR-FSE 2.5L V6 D-4
- Material: High-Grade Stainless Steel
- Wall Thickness: 1.5 mm (Heavy Duty)
- Fitment: Direct Bolt-On / Plug and Play
- Sensor Compatibility: Includes pre-drilled O2 Sensor Bungs
Package Includes:
- 1x Left-Bank Stainless Steel 3-1 Exhaust Header
- 1x Right-Bank Stainless Steel 3-1 Exhaust Header
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