AE86 HKS Hi-Power Stainless Steel Cat-Back Exhaust System (1983-87 Corolla)
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AE86 HKS Hi-Power Stainless Steel Cat-Back Exhaust System
For 1983–1987 Toyota Corolla AE86 Trueno & Levin SR5, GTS and All JDM Trims
Overview
Upgrade your 1983–1987 Toyota AE86 with the legendary HKS Hi-Power 409 Stainless Steel Cat-Back Exhaust System, one of the most recognizable exhaust upgrades in the JDM performance world. Developed by HKS Japan, this complete cat-back exhaust combines motorsports-inspired engineering with everyday drivability, making it an ideal choice for restorations, street builds, and period-correct performance projects.
Inspired by HKS's endurance and GT racing programs, the Hi-Power 409 features a straight-through muffler, mandrel-bent 60mm piping, and an over-differential exhaust layout that minimizes exhaust restriction while maintaining excellent ground clearance and factory-like fitment. The free-flowing design promotes improved exhaust velocity, better throttle response, and increased high-RPM performance compared to the restrictive factory exhaust system.
Originally engineered for 4A-GE DOHC-equipped AE86 models, this exhaust system is also compatible with SR5 models equipped with the 4A-C engine. While fitment is supported on both applications, the system was specifically designed and acoustically tuned around the 4A-GE platform.
Constructed using 409 stainless steel tubing with a premium SUS304 stainless steel muffler and polished exhaust tip, the Hi-Power 409 offers excellent corrosion resistance, long service life, and the distinctive HKS exhaust note enthusiasts have trusted for decades.
Features
- Genuine HKS Hi-Power 409 Series cat-back exhaust system
- Complete direct bolt-on exhaust assembly
- Designed specifically for the Toyota AE86 chassis
- Compatible with both 4A-GE and 4A-C (SR5) engines
- Straight-through performance muffler design
- 60mm mandrel-bent exhaust piping
- Premium SUS304 stainless steel muffler and polished exhaust tip
- Durable 409 stainless steel exhaust piping
- Over-differential exhaust routing
- Optimized exhaust flow with minimal bends
- Improved throttle response and high-RPM performance
- Signature HKS performance exhaust tone
- Compatible with both Left-Hand Drive (LHD) and Right-Hand Drive (RHD) vehicles
- Manufactured by HKS Japan
Benefits
- Reduces exhaust restriction for improved engine breathing
- Enhances throttle response and engine efficiency
- Produces the iconic HKS performance exhaust sound
- Maintains excellent street drivability
- Built from corrosion-resistant stainless steel materials
- Perfect for restoration, street performance, and classic JDM builds
Sound Levels
- Idle Noise Level: 73 dB
- Close Proximity Noise Level: 97 dB
These sound characteristics provide the aggressive performance tone expected from the HKS Hi-Power while maintaining comfortable cruising characteristics.
Vehicle Fitment
Designed for 1983–1987 Toyota Corolla AE86 chassis.
Compatible Vehicles
- 1983–1987 Toyota Corolla Levin (AE86) – All Trims
- 1983–1987 Toyota Sprinter Trueno (AE86) – All Trims
Compatible Engines
- 4A-GE DOHC (Primary Application)
- 4A-C (SR5) (Compatible Fitment)
Fitment Notes
- Originally engineered and tuned for 4A-GE-powered AE86 models.
- Compatible with 4A-C-equipped SR5 models.
- Fits both Left-Hand Drive (LHD) and Right-Hand Drive (RHD) vehicles.
- Uses factory exhaust mounting locations and hanger positions.
- Features an over-differential exhaust layout for optimal ground clearance.
- Professional installation is recommended.
Installation
- Direct bolt-on cat-back exhaust system
- Reuses factory exhaust hanger locations
- Designed for factory exhaust routing
- No fabrication required on factory-compatible vehicles
- Verify vehicle configuration before ordering
Why Choose the HKS Hi-Power 409?
The HKS Hi-Power 409 has earned its reputation as one of the most iconic exhaust systems available for the Toyota AE86. Combining race-inspired engineering, proven reliability, and unmistakable HKS styling, it offers an excellent balance of performance, durability, and classic JDM appearance. Whether your goal is a faithful restoration or a spirited street build, this exhaust system delivers the sound and quality AE86 enthusiasts have trusted for decades.
