The GT1.0Z Racing H113145 is a pure competition-spec stainless steel exhaust system engineered exclusively for the latest Honda Civic Type R (FL5).

Designed for serious motorsport use, it delivers an aggressive, high-decibel exhaust note, significant weight reduction, and maximum flow by eliminating the restrictive factory exhaust valve—unlocking the full performance character of the turbocharged K20C engine for closed-course competition.

Product Highlights

🏁 PURE COMPETITION-ONLY RACING DESIGN
This exhaust system is developed strictly for off-road and motorsport environments. It does not comply with any public road noise or emissions regulations, enabling unrestricted exhaust flow and an intense, race-focused acoustic profile essential for competitive track driving.

🔊 HIGH-OUTPUT, AGGRESSIVE RACE SOUND
Engineered for maximum auditory impact, delivering a raw and commanding exhaust volume suitable for circuit use. Sound output is optimized for track presence and driver feedback:

• Nearby Exhaust Noise: 105 dB

• Idling Noise: 75 dB
  This setup provides the sharp, unfiltered exhaust note critical for an immersive track experience.

🔧 DIRECT FIT FOR FL5 CIVIC TYPE R
A direct bolt-on system designed specifically for the Honda Civic Type R (FL5), featuring a center-exit configuration. The system eliminates the complex factory exhaust valve mechanism for simplified, high-flow performance.

• Compatible with: Honda Civic Type R (FL5, K20C engine)

• Transmission: 6-speed Manual

⚖️ SIGNIFICANT WEIGHT REDUCTION FOR PERFORMANCE
Constructed from high-quality stainless steel, the 3-piece design achieves a substantial reduction in mass over the heavy OEM system, contributing to improved vehicle dynamics and acceleration.

• System Weight: 9.5 kg (OEM Reference Weight: 16.1 kg)

• Weight Saved: ~6.6 kg (Approximately 41% reduction)

• Configuration: Center exit with a 90mm tailpipe and a 130mm main drum.

Technical Specifications & Application

This is a competition-use, stainless steel exhaust system for the Honda Civic Type R (FL5).

Key Details

• Product Name: GT1.0Z Racing Exhaust System (Competition Use Only)

• Product Code: H113145

• JAN Code: 4512355225763

• Stock Status: In Stock

Vehicle Compatibility
HONDA CIVIC TYPE R (FL5)

• Chassis Code: 6BA-FL5

• Engine: 2.0L Turbocharged (K20C)

• Drivetrain: FF

• Grade: Type R

• Model Years: From September 2022

• Transmission: 6-speed Manual

Construction & Dimensions

• Material: Full Stainless Steel

• Main Pipe Diameter: 80 mm

• Main Drum Diameter: 130 mm

• Tailpipe Diameter: 90 mm

• Exit Configuration: Single, Center Exit

• Assembly Sections: 3

• Product Weight: 9.5 kg

• Key Feature: No genuine exhaust valve mechanism.

This product is for competition use only and cannot be used on public roads.