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PRAZIS® RAZOR ACTIVE™ D1F1 “TOLOZA” STAGE 3 SETUP | RASS RAZOR ACTIVE SUSPENSION SYSTEM (RASS)
PRAZIS® RAZOR ACTIVE™ D1F1 “TOLOZA” STAGE 3 SETUP | RASS
RAZOR ACTIVE SUSPENSION SYSTEM (RASS)
SHORT DESCRIPTION
A full motorsport evolution system. RASS (Razor Active Suspension System) by PRAZIS® combines electronically controlled damping, coilover race engineering, external reservoir tuning, and adaptive lift technology into one fully hybrid performance platform.
PRICING
Toloza Stage 3 Base: $18,000 to $25,000+
Non-Refundable Deposit: $1,500
PRAZIS® RAZOR ACTIVE™ D1F1 “TOLOZA” STAGE 3 SETUP | RASS
RAZOR ACTIVE SUSPENSION SYSTEM (RASS)
A full motorsport evolution system. RASS (Razor Active Suspension System) by PRAZIS® combines electronically controlled damping, coilover race engineering, external reservoir tuning, and adaptive lift technology into one fully hybrid performance platform.
FULL SYSTEM HIERARCHY — RASS PLATFORM
STAGE 1 — DAILY / STREET PERFORMANCE
Built for everyday driving with performance capability.
- Softer strut valving for comfort and control
- Reinforced hardware for long-term durability
- Stable under high-speed street conditions
- Designed for canyon driving and weekend track use
- Set it and forget it reliability for years of use
Purpose: Daily driving, street canyon runs, weekend track fun, maintenance-light ownership
STAGE 2 — PERFORMANCE BALANCED RACING GEOMETRY
Mid-level performance system bridging comfort and full race capability.
- Firmer struts than Stage 1
- Lightweight construction focus
- Racing geometry optimized for handling precision
- Increased chassis feedback and response
- More aggressive damping behavior
Requires periodic update and refresh every 6 months to maintain optimal performance calibration.
Purpose: Aggressive street driving, canyon performance, light track use
STAGE 3 — TOLOZA D1F1 FULL RACE SPEC (TOP LEVEL)
Maximum performance configuration of RASS technology.
- Hardest strut valving in the entire lineup
- Highest response under load
- Slowest rebound tuning for maximum chassis control
- Maximum control of body motion at apex
- Stabilizes roll transfer and acceleration pull-out
- Designed for high heat, high G, sustained racing environments
Requires fresh geometry mapping and self-calibration refresh prior to track heat use for peak performance stability.
Purpose: Professional drift, time attack, motorsport competition, extreme racing environments
FULL DESCRIPTION
Toloza Stage 3 — Full Race Specification
The Toloza Stage 3 (D1F1) represents the highest level of suspension engineering within RAZOR ACTIVE™ by PRAZIS®.
This is not a street system.
This is a full race specification RASS platform built for maximum chassis control, precision response, and motorsport endurance.
It is engineered around ACE (Active Controlled Electronics) and combines electronic damping intelligence with true coilover race performance and integrated lift capability.
RASS — RAZOR ACTIVE™ SYSTEM (ACE TECHNOLOGY)
The RAZOR ACTIVE™ Suspension System delivers real time chassis control through integrated electronics and motorsport grade mechanical systems.
SYSTEM CAPABILITIES
Adjust damping level of front and rear axle independently in 5 positions
Adjust roll and pitch control independently in 5 positions
Switch between comfort and aggressive race mapping using 5 customizable presets
Semi-active electronic damping improves high-speed stability and chassis balance
Digital touchscreen ECU controller
Wireless app control coming soon
Unlimited lifetime mapping updates
Up to 2 inches of instant front lift via integrated air cup system
When lift is inactive, the system functions as a full race coilover platform with no compromise in response, stiffness, or feedback.
R-ACE COILOVER SYSTEM INTEGRATION
The coilover kit fully utilizes ACE technology combined with external reservoir damping systems for precision tuning under extreme conditions.
Stand-alone electronically adjustable R-ACE RAZOR ACTIVE™ Controller
Compatible with adjustable or fixed top mounts
Racing springs selected from multiple performance spring rates
External reservoirs with independent high-speed and low-speed compression adjusters
Optional 3-way mechanically adjustable configuration available
ENGINEERING & CONSTRUCTION
CAD engineered suspension architecture
CNC machined billet aluminum components
Hard anodized finish for durability and heat resistance
In inverted applications, roller bearing integration is standard:
No binding under extreme load
Reduced stress on air and hydraulic lines
Quiet and stable operation
Maximum durability under race conditions
FULL CUSTOM RACE PLATFORM
Each Toloza Stage 3 RASS system is fully custom engineered per vehicle.
Race engineered structural integration
Chassis specific mounting design
Custom coilover and air cup hybrid system
Vehicle specific suspension geometry calibration
Engineered using chassis dynamics modeling:
Camber behavior under load
Weight transfer during braking and acceleration
Roll control at apex
Suspension frequency tuning
Damper interaction mapping
KEY FEATURES
RAZOR ACTIVE™ by PRAZIS® hybrid suspension system
RASS (Razor Active Suspension System) architecture
ACE electronically controlled damping system
R-ACE ECU controller
5 position damping adjustment
5 position roll and pitch control
5 customizable driving presets
Semi-active stability enhancement system
Touchscreen ECU interface
Wireless app control coming soon
Unlimited lifetime mapping updates
2 inch instant lift system
True coilover performance mode
External reservoir high and low speed compression tuning
Optional 3-way mechanical damping system
Motorsport dampers QA1 KW Nitron
CNC billet anodized construction
Roller bearing inverted system integration
High flow response architecture
Fully custom engineered per vehicle
PERFORMANCE APPLICATIONS
Stage 1 — Daily driving, canyon runs, weekend track use, long-term comfort and reliability
Stage 2 — Aggressive street performance, canyon driving, light track use, balanced race geometry
Stage 3 — Full motorsport, drift, time attack, high-G racing environments
THE RESULT
RASS by PRAZIS® is a complete suspension ecosystem.
Stage 1 delivers daily control and comfort performance.
Stage 2 delivers balanced racing geometry and responsiveness.
Stage 3 delivers full race dominance and maximum chassis control.
One platform. Three levels. Zero compromise.
SIGNATURE LINE
Underdog Built. Engineered to Win.
In 2004, Samuel Toloza was surrounded in Najaf during the Iraq War. Out of ammo, his last weapon was a 3 inch switchblade.
He didn’t fold. He held the line.
That same mindset drives RAZOR ACTIVE™ by PRAZIS®, built in Los Angeles on adaptive damping, coilover race engineering, and hybrid suspension technology.
Only what wins.
Minimal. Relentless. Unmatched.
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