Challenger SRT8 Engine & Performance Modifications

Discuss the 425HP/420lb-ft 6.1L HEMI V8(2008-2010) and 470HP/470lb-ft 6.4L HEMI V8(2011-) engines and performance mods.

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  1. SRT-Tom

    Bullitt Challenger?

    SRT-Tom, Aug 7, 2022
    Replies:
    6
    Views:
    819
    Moparisto
    Aug 8, 2022
  2. SRT-Tom

    Pink Scat Pack

    SRT-Tom, Aug 2, 2022
    Replies:
    2
    Views:
    1,073
    Moparisto
    Aug 2, 2022
  3. SRT-Tom

    Scat Pack Convertible Being Auctioned

    SRT-Tom, Jun 8, 2022
    Replies:
    3
    Views:
    1,618
    SRT-Tom
    Jun 9, 2022
  4. SRT-Tom

    Exhaust has Goten Louder

    SRT-Tom, Apr 17, 2022
    Replies:
    2
    Views:
    1,052
    SRT-Tom
    Apr 19, 2022
  5. SRT-Tom

    2010 Furious Fuschia Challenger at Auction

    SRT-Tom, Apr 2, 2022
    Replies:
    0
    Views:
    629
    SRT-Tom
    Apr 2, 2022
  6. SRT-Tom

    Reliability of the 6.1 Hemi

    SRT-Tom, Feb 13, 2022
    Replies:
    2
    Views:
    4,062
    stingray
    Feb 14, 2022
  7. SRT-Tom

    Difference in Car & Truck 6.4 Hemis

    SRT-Tom, Feb 14, 2022
    Replies:
    0
    Views:
    711
    SRT-Tom
    Feb 14, 2022
  8. SRT-Tom

    Six Things Not to Do with a 6.4 Engine

    SRT-Tom, May 8, 2021 ... 2
    Replies:
    12
    Views:
    3,071
    Farmer Fran
    Feb 10, 2022
  9. SRT-Tom

    A "No-Hassle" Price Demon

    SRT-Tom, Feb 2, 2022
    Replies:
    2
    Views:
    678
    Farmer Fran
    Feb 7, 2022
  10. SRT-Tom

    Mechanic Crashes SRT

    SRT-Tom, Feb 1, 2022
    Replies:
    0
    Views:
    627
    SRT-Tom
    Feb 1, 2022
  11. Ollie82

    Performance exhaust and your factory warranty

    Ollie82, Jan 18, 2022
    Replies:
    6
    Views:
    1,826
    Farmer Fran
    Jan 20, 2022
  12. SRT-Tom

    A Poser Car?

    SRT-Tom, Oct 2, 2021 ... 2
    Replies:
    10
    Views:
    1,882
    SRT-Tom
    Jan 17, 2022
  13. Tom Joyce

    P0420 Catalyst efficiency Code

    Tom Joyce, Nov 24, 2021 ... 2
    Replies:
    13
    Views:
    1,537
    Tom Joyce
    Dec 5, 2021
  14. Farmer Fran

    Lower Airbox Intake Tube 2021 Scat Pack

    Farmer Fran, Jun 28, 2021
    Replies:
    9
    Views:
    3,113
    J-man
    Nov 22, 2021
  15. SRT-Tom

    Available Power on the Street

    SRT-Tom, Oct 21, 2021
    Replies:
    6
    Views:
    862
    B5blueRT
    Nov 16, 2021
  16. SRT-Tom

    SRT Experience- Radford Racing School

    SRT-Tom, Nov 14, 2021
    Replies:
    4
    Views:
    901
    B5blueRT
    Nov 15, 2021
  17. SRT-Tom

    2022 Challenger Widebody Review

    SRT-Tom, Nov 10, 2021
    Replies:
    0
    Views:
    649
    SRT-Tom
    Nov 10, 2021
  18. SRT-Tom

    Shaker Hood Comparison

    SRT-Tom, Oct 23, 2021
    Replies:
    3
    Views:
    1,629
    IntimidatorRT
    Oct 29, 2021
  19. SRT-Tom

    Best Musical

    SRT-Tom, Oct 25, 2021
    Replies:
    0
    Views:
    643
    SRT-Tom
    Oct 25, 2021
  20. sharky

    Rear LSD Swap Questions

    sharky, Sep 18, 2021
    Replies:
    6
    Views:
    1,100
    B5blueRT
    Oct 22, 2021
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