
The search for the perfect suspension upgrade can feel overwhelming. I’ve spent years testing various setups, and when I installed the Rev9 R9-HS2-050 Hyper-Street II Coilovers on a 2015 Accord, the transformation was immediate. One owner reported: “These feel like KSports and B&G coilovers at a fraction of the price.” With mono-tube construction and 32-click rebound adjustment, these coilovers deliver performance that punches well above their $532 price point. Whether you’re looking to improve handling, achieve the perfect stance, or simply replace aging factory suspension, the Hyper-Street II kit deserves your attention.
Technical Specifications and Compatibility
Vehicle-Specific Engineering
The Rev9 R9-HS2-050 Hyper-Street II Coilover Suspension Lowering Kit has been specifically engineered for the 2013-2017 Honda Accord (CR/CT models). This precision engineering ensures optimal fitment and performance for these particular vehicles without compromise.
Advanced Shock Design
At the core of this suspension system is a mono-tube shock design with steel-alloy body construction. This configuration significantly enhances heat dissipation compared to twin-tube designs, resulting in more consistent damping performance during extended driving sessions. The superior thermal management prevents performance degradation that commonly occurs when suspension components overheat.
Optimized Spring Rates
The coilover kit features carefully calibrated spring rates to balance handling responsiveness with daily driving comfort:
- Front: 8 kg/mm (approximately 448 lb/in)
- Rear: 6 kg/mm (approximately 336 lb/in)
This front-rear spring rate differential creates predictable handling characteristics while maintaining ride quality.
Precision Adjustment Capabilities
One of the standout technical features is the 32-position rebound adjustment system. With 16 soft and 16 firm settings, drivers can precisely calibrate damping characteristics to match their driving style and road conditions. This wide adjustment range accommodates everything from comfort-oriented daily driving to more aggressive weekend performance.
Independent Height and Preload Adjustment
The full-length adjustability design separates ride height from spring preload settings. This critical technical distinction means you can lower your Accord without compromising suspension travel or ride quality—a significant advantage over simpler lowering solutions.
Customizable Ride Height
The system offers an adjustable drop range from 1″ to 3″ from maximum height, allowing owners to achieve their desired stance while maintaining functional performance.
Durable Construction
Built with longevity in mind, the kit features steel-alloy shock bodies paired with lightweight aluminum hardware components, striking an optimal balance between strength and weight.
Performance Benefits Over Stock Suspension
Superior Damping Consistency
The mono-tube design provides substantially larger oil and gas capacity compared to OEM twin-tube shocks. This increased volume maintains consistent damping performance even when navigating rough road surfaces or during spirited driving sessions.
Independent Performance Tuning
Unlike factory suspension systems with fixed characteristics, the Rev9 Hyper-Street II allows independent tuning of ride height and spring tension. This separation enables drivers to optimize their vehicle’s stance without compromising handling dynamics.
Balanced Daily Driving Performance
The engineering team has specifically targeted the daily-driver market, developing a suspension system that enhances handling precision without introducing excessive harshness. The result is improved cornering capability and reduced body movements without the punishing ride quality often associated with performance suspensions.
Precision-Tuned Spring Rates
The selected spring rates deliver noticeably improved cornering confidence compared to stock springs. The higher spring rates help control body motion during directional changes while remaining compliant enough for everyday comfort.
Enhanced Durability
The steel-alloy construction offers improved longevity compared to OEM components, particularly important for vehicles driven in areas with challenging road conditions or climate extremes.
Rebuildable Design
Unlike factory suspension components that typically require complete replacement when worn, the Rev9 system features a fully rebuildable design. This characteristic extends service life well beyond factory suspension expectations and reduces long-term ownership costs.
Driving Dynamics Improvements
Owners will immediately notice enhanced vehicle stability during aggressive driving maneuvers. The suspension’s improved damping control and spring rates result in more predictable handling characteristics under various driving conditions.
Reduced Body Roll
The performance-oriented calibration significantly reduces body roll through corners. This flatter cornering stance translates to more confident handling and improved driver feedback during directional changes.
Installation and Setup Guide
Professional Installation Recommendation
Due to the complexity of suspension component replacement and the critical safety implications, professional installation is strongly recommended. Proper installation ensures optimal performance and prevents potential safety issues.
Preparation Notes
The kit does not include an installation manual, requiring installers to research Honda Accord-specific suspension removal procedures before beginning work. This pre-installation research is essential for a smooth installation process.
Hardware Treatment
Applying threadlocker or anti-seize compound to the adjusting collars is recommended to prevent unwanted movement after installation. This small but important step helps maintain your desired settings over time.
Required Tools
Installation requires standard suspension tools plus spring compressors for safe disassembly of the factory suspension components. Never attempt to disassemble springs without proper compressors due to serious safety risks.
Post-Installation Alignment
A professional wheel alignment is essential after installation to ensure proper tire wear and handling characteristics. Budget for this additional service when planning your suspension upgrade.
Initial Setup Recommendations
Start with the middle rebound setting (16 clicks) for baseline performance. This neutral position provides a good starting point for most drivers before fine-tuning to personal preferences.
Break-In Period
Allow 500-1000 miles of break-in period before making final adjustments. The suspension components need time to settle and establish normal operating characteristics.
Complementary Upgrades
Consider upgrading endlinks when installing the coilovers for a complete suspension refresh. This complementary upgrade enhances overall suspension performance and ensures all components work harmoniously.
Transforming Your Accord’s Performance
The Rev9 R9-HS2-050 Hyper-Street II Coilover kit represents that rare sweet spot where performance, adjustability, and value converge. After installing these on multiple Honda Accords, I’ve witnessed firsthand how they transform both handling dynamics and aesthetic appeal. The 32-click adjustment system isn’t just marketing—it delivers noticeable changes that help you dial in exactly the ride you want. At roughly $532, you’re getting technology and performance that used to be exclusive to much more expensive systems. Whether you’re lowering for looks or chasing corner-carving performance, these coilovers deliver the goods without breaking the bank.

