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. BIRDMAN

    6.4L V8 Challenger SRT8 Thread Prefix Example

    BIRDMAN, Sep 19, 2011
    Replies:
    3
    Views:
    4,826
    Shaggy
    Nov 30, 2011
  1. Katshot

    Exhaust mods

    Katshot, Apr 17, 2020 ... 10 11 12
    Replies:
    114
    Views:
    12,872
    Katshot
    Nov 12, 2020
  2. SRTSammy

    6.4L K&N Filters void the warranty??

    SRTSammy, Nov 30, 2011 ... 2 3
    Replies:
    21
    Views:
    10,880
    SRT-Tom
    Apr 29, 2014
  3. Bullishman13

    The Catch Can

    Bullishman13, Oct 10, 2011 ... 2
    Replies:
    11
    Views:
    8,476
    Shaggy
    Nov 30, 2011
  4. Dakota21601

    6.1 vs. 6.4

    Dakota21601, Feb 17, 2015
    Replies:
    5
    Views:
    8,164
    Dakota21601
    Mar 2, 2015
  5. Jason Lessler

    Supercharging a scat pack

    Jason Lessler, Sep 5, 2019 ... 2 3
    Replies:
    27
    Views:
    7,611
    Jason Lessler
    Dec 21, 2019
  6. SRT-Tom

    Which Viscosity Oil to Use?

    SRT-Tom, Jan 11, 2013
    Replies:
    3
    Views:
    7,209
    brandy16
    Oct 24, 2013
  7. carid

    Comparison: The best air intake for V8 Challenger | Part 2

    carid, May 19, 2015
    Replies:
    3
    Views:
    6,176
    carid
    Oct 15, 2015
  8. SRT-Tom

    392 HP is Underated!

    SRT-Tom, Dec 14, 2011
    Replies:
    5
    Views:
    6,148
    Dragon
    Dec 19, 2011
  9. Rodimus

    New exhaust

    Rodimus, Sep 22, 2012 ... 2
    Replies:
    11
    Views:
    5,630
    Generaljenkins
    Sep 15, 2013
  10. Wilfredopr

    Resonator delete

    Wilfredopr, Nov 22, 2013
    Replies:
    2
    Views:
    5,470
    AnthonyLopez11B
    Feb 27, 2014
  11. genotex

    new info on the 'tune' of the 6.4

    genotex, Jan 10, 2012
    Replies:
    8
    Views:
    5,381
    Hemi671
    Sep 29, 2012
  12. SRT-Tom

    Valet Mode

    SRT-Tom, Feb 27, 2021
    Replies:
    2
    Views:
    5,166
    SRT-Tom
    Feb 27, 2021
  13. SRTSammy

    6.4L Best Launch methods?

    SRTSammy, Jan 5, 2012 ... 2
    Replies:
    11
    Views:
    5,115
    genotex
    Jan 24, 2012
  14. SRT-Tom

    7 Reasons NOT to Own a Hellcat

    SRT-Tom, Apr 8, 2015
    Replies:
    9
    Views:
    5,101
    IntimidatorRT
    Dec 11, 2017
  15. Tripmine56

    Catch Can?

    Tripmine56, Apr 10, 2019 ... 2
    Replies:
    19
    Views:
    4,613
    Nick@GotExhaust
    Aug 3, 2019
  16. GoFastChallenger

    2012 Dodge Challenger srt8

    GoFastChallenger, Oct 9, 2011
    Replies:
    4
    Views:
    4,280
    Shaggy
    Oct 10, 2011
  17. WVMOPARGUY

    6.4L 6.4 swap into 09 5.7 r/t

    WVMOPARGUY, Apr 16, 2012
    Replies:
    6
    Views:
    4,117
    Storm Rider
    May 19, 2012
  18. SRT-Tom

    Reliability of the 6.1 Hemi

    SRT-Tom, Feb 13, 2022
    Replies:
    2
    Views:
    4,039
    stingray
    Feb 14, 2022
  19. SRT-Tom

    Edelbrock Supercharger

    SRT-Tom, Mar 10, 2012
    Replies:
    4
    Views:
    3,794
    Type2
    Mar 22, 2013
  20. SRT-Tom

    6.1L George Barris Custom Challenger Up for Auction

    SRT-Tom, Jul 23, 2021 ... 2 3 4
    Replies:
    33
    Views:
    3,734
    2017 Redline HC
    Aug 7, 2021
Showing threads 1 to 20 of 188

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