The Kakimoto.R HS312 is a classic, JASMA-certified stainless steel exhaust system engineered for the iconic 5th-generation Honda Civic EG chassis.

Designed to unleash the potential of the high-revving B16A and D15B engines, this system delivers the crisp, responsive exhaust note synonymous with VTEC, improved flow dynamics, and a commanding single-exit design—honoring the era with proven quality and performance.

Product Highlights

🔰 OFFICIAL JASMA CERTIFICATION FOR QUALITY & SOUND
Carrying official JASMA certification (94-000142), this exhaust system meets the stringent industry standards for material quality, construction, and sound output that defined the golden era of Japanese tuning. It provides a trusted, performance-oriented upgrade that respects the vehicle’s original character.

🔊 CLASSIC VTEC-INSPIRED ACOUSTICS
Engineered to deliver the sharp, exhilarating exhaust note that perfectly complements the high-revving nature of the B16A VTEC engine, providing the authentic auditory feedback that is integral to the driving experience:

• Nearby Exhaust Noise: 93 dB
  A sound profile designed to highlight the engine’s performance without being excessively loud.

🔧 PRECISE FIT FOR EG CIVIC SI MODELS
A direct-fit system designed specifically for the manual transmission variants of the revered EG Civic SiR/SiRⅡ (B16A) and VTi (D15B) models, with specific chassis number restrictions for the VTi grade.

• Compatible with: Honda Civic EG6 (SiR/SiRⅡ) and EG4 (VTi, with chassis number restrictions).

• Transmission: 5-speed Manual only for EG6; 5MT/4AT for EG4 with specific chassis cut-offs.

🏁 TIMELESS SINGLE-EXIT DESIGN
Features a bold single right-side exit with a substantial 115mm tailpipe, delivering the clean, aggressive, and purpose-built aesthetic that is period-correct and visually defining for the EG Civic.

Technical Specifications & Application

This is a JASMA-certified stainless steel exhaust system for the 5th-generation Honda Civic EG.

Key Details

• Product Name: Kakimoto.R Performance Exhaust System

• Product Code: HS312

• JAN Code: 4512355111035

• Stock Status: In Stock

Vehicle Compatibility
HONDA CIVIC EG6 (SiR / SiRⅡ)

• Chassis Code: E-EG6

• Engine: 1.6L B16A (VTEC)

• Model Years: September 1991 – September 1995

• Transmission: 5-speed Manual only

HONDA CIVIC EG4 (VTi)

• Chassis Code: E-EG4

• Engine: 1.5L D15B (VTEC)

• Model Years: September 1991 – September 1995

• Transmissions: 5-speed Manual / 4-speed Automatic
  *Critical Note: Not compatible with VTi chassis numbers AT1200000 and later, or MT1201959 and later.

Construction & Dimensions

• Material: Full Stainless Steel

• Pipe Diameter: 60 mm

• Tailpipe Diameter: 115 mm

• Exit Configuration: Single, Right Side

• Assembly Sections: 3

• Product Weight: 11.9 kg