ENHANCE YOUR GR YARIS WITH A BALANCED PERFORMANCE EXHAUST.
The Class KR T713177 is a JQR-certified, 4-pipe stainless-steel exhaust system engineered for the Toyota GR Yaris.

Designed to deliver an enriched exhaust note and improved flow while fully complying with Japanese street-legal sound regulations, this system offers a significant performance and aesthetic upgrade for the discerning enthusiast.

Product Highlights

🔊 JQR-CERTIFIED & REGULATION COMPLIANT
This exhaust system is fully certified (JQR20212025), confirming compliance with performance and, critically, Japan’s 2010 acceleration noise regulations. It is designed for legal road use, providing peace of mind and hassle-free registration.

🏎️ PERFORMANCE-ORIENTED ACOUSTICS
Delivers a deeper, more assertive exhaust character within legal limits, perfect for daily driving and spirited road use:

• Nearby Exhaust Noise: 91 dB

• Idling Noise: 70 dB
  The 4-pipe design enhances the vehicle’s rear aesthetic while optimizing exhaust flow.

🔧 DIRECT FIT FOR PRE-APRIL 2024 MODELS
Specifically designed as a direct-fit replacement for pre-April 2024 GR Yaris models equipped with the GR rear bumper spoiler.

• Compatible with: GR Yaris RZ (including High Performance)

• Requires: GR rear bumper spoiler for proper fitment.

🏗️ QUALITY STAINLESS STEEL CONSTRUCTION
Manufactured from high-grade stainless steel for durability and longevity. The system features a sophisticated twin-pipe layout merging into a quad-exit design.

• Exit Configuration: Dual left and right exhaust tips

• Tailpipe Diameter: 83 mm (slash-cut style)

Technical Specifications & Application

This is a JQR-certified, street-legal stainless steel exhaust system for the Toyota GR Yaris.

Key Details

• Product Name: Class KR 4-Pipe Exhaust System

• Product Code: T713177

• JAN Code: 4512355223370

• Stock Status: In Stock

Vehicle Compatibility
GR YARIS

• Chassis Code: 4BA-GXPA16 (pre-April 2024 production)

• Engine: 1.6L Turbo (G16E-GTS)

• Drivetrain: AWD

• Grade: RZ (including High Performance variant)

• Transmission: 6-speed Manual

• Model Years: September 2020 – April 2024
  Important Notes:

• Mandatory for vehicles equipped with the GR rear bumper spoiler.

• Compatibility with RC grade models is not confirmed (not JQR certified for this grade).

• Not compatible with vehicles produced from April 2024 onward.

Construction & Dimensions

• Material: Full Stainless Steel

• Pipe Diameter: 70 mm → 50 mm (dual, Y-configuration)

• Tailpipe Diameter: 83 mm (Slash-cut)

• Exit Configuration: Quad Tips (Left & Right)

• Assembly Sections: 2

• Product Weight: 14.7 kg (OEM Reference Weight: 11.9 kg)

• Packaged Dimensions: 1500 mm × 300 mm × 700 mm