Engines & Drivetrain

2,741 topics in this forum

1. Magnaflow 12587 for Catback exhaust, input please

   By OmahaBen, October 9, 2015
   • 11 replies
   • 4.1k views
   • 
   • OmahaBen
   • September 2, 2016

2. Help me Select Exhaust 1 2

   By pcruis1, August 29, 2016
   • 21 replies
   • 4.6k views
   • 
   • pcruis1
   • August 31, 2016

3. SLP cat back for 14-15 trucks

   By Jdezee, August 21, 2016
   • 1 reply
   • 1.2k views
   • 
   • emeryz28
   • August 29, 2016

4. Throttle Body Pictures w/ Elite Catch Can & Clean Side Separator 1 2 3

   By thearizonacowboy, April 20, 2016
   • 44 replies
   • 12.1k views
   • 
   • Badass69
   • August 25, 2016

5. Catch can & AFM dissble?? 1 2

   By WilliamBos, August 6, 2016
   • 17 replies
   • 11.3k views
   • 
   • Cowpie
   • August 24, 2016

6. How loud will I be? 1 2

   By TheLPGuy, July 20, 2016
   • 28 replies
   • 3.9k views
   • 
   • MSPT
   • August 24, 2016

7. WTB 3" midpipe or extension pipe.

   By namanc6, August 24, 2016
   • 2 replies
   • 988 views
   • 
   • namanc6
   • August 24, 2016

8. Poor throttle response noticed in emergency 1 2 3

   By truckguy82, July 5, 2016
   • 35 replies
   • 17.7k views
   • 
   • Donstar
   • August 24, 2016

9. Comparing 8speed 5.3L 3.43 trucks...RPM'S

   By mookdoc6, August 22, 2016
   • 4 replies
   • 1.1k views
   • 
   • OmniCamaro
   • August 22, 2016

10. Corsa sport pretty good price

    By BlueCrayon, August 18, 2016
    • 9 replies
    • 1.4k views
    • 
    • 1300c
    • August 21, 2016

11. 2015 6.2L Magnaflow Exhaust Question - 14", 18", 12909 or 1225

    By shanedaniel, August 17, 2016
    • 8 replies
    • 5.7k views
    • 
    • BBRU
    • August 19, 2016

12. Muffler Delete on 2016 Sierra

    By gmyeah, April 15, 2016
    • 10 replies
    • 10.2k views
    • 
    • SkiBum5.0
    • August 18, 2016

13. New Trucks Capabilities

    By tmo, August 12, 2016
    • 12 replies
    • 2.2k views
    • 
    • Rkaroll953
    • August 16, 2016

14. Flowmaster outlaw for 2016 6.2

    By BlueCrayon, August 6, 2016
    • 8 replies
    • 2.9k views
    • 
    • BlueCrayon
    • August 14, 2016

15. Dynomax Bullet Vs Slp Loudmouth 1

    By HighCountry91, August 14, 2016
    • 0 replies
    • 967 views
    • 
    • HighCountry91
    • August 14, 2016

16. HSA 1 2

    By silveradosid, July 17, 2016
    • 15 replies
    • 3k views
    • 
    • silveradosid
    • August 13, 2016

17. Sierra 2015 - Changing the rear end ratio?

    By tmo, August 5, 2016   

    • rear end
    • sierra 2015
    • (and 4 more)

      Tagged with:

      • rear end
      • sierra 2015
      • 3.22
      • 3.42
      • 2004 tahoe
      • towing
    • 3 replies
    • 1.9k views
    • 
    • thejimmian
    • August 11, 2016

18. MBRP single exit exhaust

    By HighCountry91, August 10, 2016
    • 6 replies
    • 1.2k views
    • 
    • Rkaroll953
    • August 11, 2016

19. Muffler AND Resonator delete 2016 Sierra 5.3

    By Ty_127, July 18, 2016   

    • 5.3
    • v8
    • 8 replies
    • 11.7k views
    • 
    • Ty_127
    • August 8, 2016

20. looking for Performance

    By zshoe2015, August 3, 2016
    • 11 replies
    • 2k views
    • 
    • wuznme
    • August 5, 2016

21. Re-gear for 33" tires - What Ratio would you choose? 1 2 3 4 5

    By Kerrslight, December 15, 2015
    • 61 replies
    • 45.5k views
    • 
    • Matthew Kashima
    • August 3, 2016

22. AfterMarket Spark Plug Wires 1 2

    By 1slow14, July 18, 2016   

    • 5.3
    • 22 replies
    • 32.9k views
    • 
    • mookdoc6
    • August 3, 2016

23. G80 install

    By silveradosid, July 29, 2016
    • 7 replies
    • 1.8k views
    • 
    • silveradosid
    • August 1, 2016

24. Time for the dyno. 1 2

    By Archaic2021, July 9, 2016
    • 16 replies
    • 10.9k views
    • 
    • markreed
    • July 31, 2016

25. Gear ratio

    By Weazelwacker, July 27, 2016
    • 4 replies
    • 1.2k views
    • 
    • Zachlovesfood
    • July 30, 2016