Patented Protection! Differential Integration and Reinforcement System - reinforce your differential case and improve your car's IRS operation and traction with the DIRS (R Version)! 100% satisfaction guaranteed.
The DIRS (R Version) replaces the original DIRS. It fits all 2015-2023 V8 Challengers/Chargers/300s regardless of trim level!
DIRS (R Version) features:
1) US-made2) 32.5% lighter than the original DIRS (total weight of 5.9 pounds)
3) Fits Demon 170
4) Fits with viertually every aftermarket exhaust system
Two-piece differential brace from Per4Mance Development:
- Part one attaches the differential using the lower two main case bolts and the three lower case bolts to reinforce the differential.
- Part two attaches to the rear cross-member and carries an OEM differential bushing (just like the two in the rear cross-member) to add a third, triangulated integration point to "attach" to the reinforced differential.
Features:
- American made and CNC machined T-6061 billet aluminum
- OEM differential bushing
- Grade 10 Stainless Steel Hardware/galvanized bushing bolt
- one piece P4D tool-less inserts for cross-member attachment
- Hard anodized coating in black
- EZ access for fill and drain plugs - no removal of the brace is required
- Complete kit with all hardware, inserts, Loctite, decal and printed instructions
User reported observations and benefits:
1) Product Quality and Packaging
2) Strength and Robustness
3) Improved rear-end dynamics including increased traction/less wheel hop
4) No noticeable increase in NVH
WILL WORK WITH STOCK AND MOST AFTERMARKET EXHAUST SYSTEMS INCLUDING BORLA
100% satisfaction guaranteed, return within 30 days of receipt for a full refund.
IMPORTANT:
Use of the DIRS (R Version) may impact the manufacturer's warranty. Purchaser assumes all responsibility for installation and use.
Product FAQs
What is the DIRS-R and what does it do?
The DIRS-R (R Version) is a Differential Integration and Reinforcement System designed to strengthen and stabilize the rear differential on select RWD V8 Dodge and Chrysler vehicles. It helps reduce differential case flex under load and improves drivetrain stability during hard acceleration.
Which vehicles is the DIRS-R compatible with?
The DIRS-R is designed for 2015–2023 RWD V8 models, including Dodge Charger, Dodge Challenger, and Chrysler 300 vehicles equipped with HEMI engines. Fitment applies to rear-wheel-drive V8 configurations only.
Is the DIRS-R a bolt-on installation?
Yes. The DIRS-R is a direct bolt-on system that installs using existing mounting points on the vehicle. No cutting, welding, or permanent modification is required.
What is included with the DIRS-R kit?
The kit includes the two-piece DIRS-R brace assembly, required hardware, OEM-style differential bushing integration, mounting inserts, installation instructions, and necessary fastening components.
Will this affect ride quality, noise, or vibration?
The DIRS-R is designed to maintain factory-like driving characteristics. By integrating OEM-style bushings, it minimizes added noise or vibration while providing additional reinforcement.
Will the DIRS-R work with stock or aftermarket exhaust systems?
The DIRS-R is designed to be compatible with the factory exhaust and most aftermarket exhaust systems. Clearance should always be verified when using custom or non-standard exhaust setups.