Differential Brace "DIRS" Chrysler 300C, Dodge Challenger & Charger 5.7, 6.4 and Hellcat

verified reviews (1 customer review)

from 729,00 

Ready for dispatch in 1-2 days

Differential Boost "DIRS" for Chrysler 300C, Dodge Challenger & Charger 5.7, 6.4 and Hellcat


Per4mance Development Differential Integration and Reinforcement System (DIRS) - strengthen your differential housing and improve both independent rear suspension function and traction on your Chrysler 300C, Dodge Challenger or Charger 5.7, 6.4 or Hellcat.

Part 1 fastens the differential with the lower two main housing bolts and the three lower housing bolts to reinforce the differential.
Part 2 attaches to the rear crossmember and carries an OEM differential bushing (just like the two in the rear crossmember) to add a third integration point for attachment to the reinforced differential.



  • USA made and CNC machined T-6061 billet aluminium.
  • OEM differential bushing
  • ARP (or equivalent) fastening material grade 10.9
  • P4D tool-less inserts for cross member attachment
  • Hard anodised coating in black
  • Access to filling and drain plugs
  • Suitable for up to 1000 hp wheel power
  • No additional noise or vibrations


  • Standard - fits the standard system and most accessory systems
  • Borla - fits Borla exhaust systems / more clearance to the exhaust system



Make Model  Engine Year
Chrysler 300C 5.7 2015 – 2023
Chrysler 300C 6.4 2015 – 2023
Dodge Challenger 5.7 2015 – 2023
Dodge Challenger 6.2 Hellcat 2015 – 2023
Dodge Challenger 6.4 2015 – 2023
Dodge Charger 5.7 2015 – 2023
Dodge Charger 6.2 Hellcat 2015 – 2023
Dodge Charger 6.4 2015 – 2023


Additional information

Weight 5 kg
Dimensions 32 × 23 × 15 cm
Exhaust System

Series / Accessories, Borla

1 review for Differentialverstärkung “DIRS” Chrysler 300C, Dodge Challenger & Charger 5.7, 6.4 und Hellcat

  1. Steffen Gleis

    F. K. -

    I have ordered various Hellcat parts. Good prices, fast shipping, that's important and it's true for you. Others lag behind and take a week or more to send you parts that are supposedly in stock.
    Very satisfied with customer service and advice. That is why I am very happy to recommend Kraftwerk.

    Verified purchase. More information

Only logged in customers who have purchased this product may leave a review.

You may also like…

Frequently bought together:
Total: 343,49