The Class KR T713177 represents the ultimate in street-legal performance exhaust design for the pre-2024 Toyota GR Yaris.

This JQR-certified 4-pipe system combines race-inspired aesthetics with precision engineering to deliver an authoritative exhaust note, increased flow, and stunning visual presence, all while maintaining full compliance with stringent road regulations.

Product Highlights

🏆 JQR-CERTIFIED & ROAD-LEGAL PERFORMANCE
This exhaust carries official JQR certification (JQR20212025), verifying full compliance with Japan’s 2010 acceleration noise regulations. It is engineered to provide a track-inspired experience without compromising road legality, making it the definitive choice for enthusiasts who demand both performance and peace of mind.

🔊 BOLD, AUTHORITATIVE ACOUSTICS
Designed to amplify the character of the G16E-GTS turbocharged engine, this system delivers a rich, aggressive exhaust tone that remains within legal limits:

• Nearby Exhaust Noise: 91 dB

• Idling Noise: 70 dB
  The sophisticated 4-pipe configuration enhances both acoustic depth and visual impact.

🛠️ DESIGNED FOR GR-SPOILER EQUIPPED MODELS
This system is specifically engineered as a direct-fit replacement for GR Yaris models equipped with the factory GR rear bumper spoiler.

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

• Requires: Factory GR rear bumper spoiler for proper fitment and aesthetics.

🏗️ ADVANCED DUAL-PATH STAINLESS STEEL CONSTRUCTION
Crafted from premium stainless steel, the system features an innovative dual-path design (70-50W x 2) that optimizes flow and reduces backpressure. The quad 83mm slash-cut tips provide a motorsport-inspired finish that perfectly fills the rear valance.

Technical Specifications & Application

This is a JQR-certified, road-legal 4-pipe 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 (AWD – Pre April 2024)

• 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

Critical 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 Configuration: Dual 70mm → 50mm pathways

• Tailpipe Diameter: 83mm (Slash-cut, quad tips)

• 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