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SKU: P4D-DIRS-R
Per4Mance Development DIRS-R Differential Integration & Reinforcement System
The Per4Mance Development DIRS-R (Differential Integration & Reinforcement System) represents the pinnacle of rear differential bracing for high-performance Mopar vehicles. Engineered and manufactured in the USA, the DIRS-R system provides exceptional strength, traction, and reliability for Dodge Challenger, Charger, and Chrysler 300 RWD platforms. Designed with patented technology, the DIRS-R is ideal for both street and track use, eliminating wheel hop and reinforcing differential cases under extreme torque loads.
Key Features
- 32.5% Lighter: Precision CNC-machined T-6061 billet aluminum construction for reduced weight (5.9 lbs total).
- Two-Piece Design: Integrates seamlessly with independent rear suspension (IRS) for maximum strength and compatibility.
- Hard Black Anodized Finish: Provides corrosion resistance and a professional appearance.
- EZ-Access Maintenance: Allows differential servicing without brace removal.
- Engineered in the USA: Designed, machined, and tested domestically for quality and performance.
Included Components
- Two-piece differential brace assembly.
- OEM differential bushing for factory-like integration and minimal NVH.
- Grade 10 stainless steel and galvanized hardware set.
- Loctite, fasteners, and printed installation instructions.
Product Benefits
- Improved Traction: Reduces wheel hop by up to 95% under hard acceleration.
- Enhanced Durability: Reinforces the differential case for long-term reliability in high-HP builds (800+ HP).
- Quiet Operation: Maintains stock-like NVH for comfortable daily driving.
- Broad Compatibility: Works with stock and most aftermarket exhaust systems (except aFe).
- Quick Installation: Innovative P4D tool-less inserts for simplified cross-member attachment.
Product Notes
- Fitment: Compatible with 2015–2024 Dodge Challenger, Charger, and Chrysler 300 RWD 5.7L/6.2L/6.4L HEMI models, including Demon 170.
- Installation Tip: 2016 models may require longer 50mm bolts (not included) when replacing threaded sleeves.
- Warranty: Use may affect OEM differential warranty—installation is at the buyer’s discretion.
- Exhaust Compatibility: Not compatible with aFe exhaust systems; verify clearance prior to purchase.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015–2024 | Dodge | Challenger | RWD 5.7L / 6.2L / 6.4L – Including Demon 170 |
| 2015–2024 | Dodge | Charger | RWD 5.7L / 6.2L / 6.4L – All Trims |
| 2015–2024 | Chrysler | 300 / 300C | RWD 5.7L / 6.4L – All Trims |
Why Choose Per4Mance Development?
- Leader in Mopar drivetrain reinforcement systems.
- Proven engineering with patented differential technology.
- USA-made quality and precision-tested reliability.
- Performance-driven design trusted by racing professionals.
Frequently Asked Questions
-
Q: Does the DIRS-R require modification to install?
A: No, it’s a direct bolt-on system using factory hardware and mounting points. -
Q: Will this affect my daily driving comfort?
A: Not significantly the OEM-style bushing maintains a quiet, smooth ride. -
Q: Is it compatible with my aftermarket exhaust?
A: Yes, except for aFe systems which may have clearance conflicts.
Shipping & Handling
- Method: Ground freight delivery only.
- Availability: Usually ships within 1–2 business days.
- Packaging: Securely boxed and foam-padded for maximum protection.
Diff Braces
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