The GT1.0Z Racing H11337 is an extreme, competition-spec stainless steel exhaust system engineered exclusively for the Honda S2000 (AP1).

Designed for serious motorsport applications, it delivers an aggressive, high-decibel exhaust note, dramatic weight reduction, and maximum flow characteristics far exceeding street-legal limits—unlocking the full potential of the high-revving F20C engine on track.

Product Highlights

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

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

• Nearby Exhaust Noise: 110 dB

• Idling Noise: 78 dB
  This setup provides the sharp, unfiltered exhaust note critical for driver feedback and an immersive track experience.

🔧 DIRECT FIT FOR AP1 S2000 MODELS
A direct bolt-on system designed for all Honda S2000 AP1 models (1999-2005), ensuring seamless integration with both base grade and Type V variants.

• Compatible with: Honda S2000 AP1 (F20C engine)

• Transmission: 6-speed Manual

⚖️ DRAMATIC WEIGHT REDUCTION FOR PERFORMANCE GAINS
Constructed from high-quality stainless steel, the system achieves a remarkable reduction in unsprung mass—a critical advantage for handling and acceleration on the race track.

• System Weight: 6.5 kg (OEM Reference Weight: 24.5 kg)

• Weight Saved: ~18.0 kg (Approximately 73% reduction)

• Configuration: Single right-side exit with an 80mm tailpipe and a 115mm rear drum.

Technical Specifications & Application

This is a competition-use, ultra-lightweight stainless steel exhaust system for the Honda S2000 (AP1).

Key Details

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

• Product Code: H11337

• JAN Code: 4512355177345

• Stock Status: In Stock

Vehicle Compatibility
HONDA S2000 (AP1)

• Chassis Codes: GH-AP1, LA-AP1, ABA-AP1

• Engine: 2.0L Naturally Aspirated (F20C)

• Drivetrain: FR

• Grades: Base Grade, Type V

• Model Years: April 1999 – November 2005

• Transmission: 6-speed Manual

Construction & Dimensions

• Material: Full Stainless Steel

• Main Pipe Diameter: 60 mm

• Rear Drum Diameter: 115 mm

• Tailpipe Diameter: 80 mm

• Exit Configuration: Single, Right Side

• Assembly Sections: 2

• Product Weight: 6.5 kg

• Shipping Weight: 10.2 kg

• Packaged Dimensions: 1600 mm × 350 mm × 400 mm

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