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

Meticulously designed to unlock the exhilarating character of the B16A and D15B VTEC engines, this system delivers the crisp, high-revving exhaust note, improved throttle response, and the timeless single-exit aesthetic that defined an era of pure driving excitement.

Product Highlights

🔰 OFFICIAL JASMA CERTIFICATION FOR AUTHENTIC QUALITY
Carrying the official JASMA certification (94-000142), this exhaust system upholds the stringent material, construction, and sound standards that were the benchmark of 1990s Japanese performance. It is a period-correct upgrade that guarantees quality and an authentic driving experience.

🔊 THE DEFINITIVE VTEC EXHAUST NOTE
Engineered to produce the sharp, responsive, and exhilarating exhaust tone that is synonymous with Honda’s high-revving VTEC engines. The acoustic profile is tuned to highlight the engine’s character without compromise, delivering the auditory feedback that is integral to the EG driving experience.

• Nearby Exhaust Noise: 93 dB

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

• Compatible with: Honda Civic EG6 (SiR/SiRⅡ, 5MT only) and EG4 VTi (with chassis number restrictions).

• Transmission: 5-speed Manual only for EG6; specific 5MT/4AT models for EG4.

🏁 ICONIC SINGLE-EXIT 90S STYLING
Features the classic, aggressive single right-side exit with a substantial 115mm tailpipe. This design is a hallmark of the era, delivering a clean, purpose-built aesthetic that perfectly complements the EG Civic’s iconic lines.

Technical Specifications & Application

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

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. Not for Automatic models.

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

• Packaged Dimensions: 1400 mm × 350 mm × 500 mm