Engine & Power Modifications

2,474 topics in this forum

1. Exhaust write up.(in pursuit of bopbopbop)(updated) 1 2 3 4 5

   By d3vil0gy, November 7, 2008
   • 105 replies
   • 45.5k views
   • 
   • snsd555
   • September 11, 2019

2. twinscroll conversion for hawkeye WRX 1 2 3 4 5

   By sg_rexer, August 7, 2013
   • 115 replies
   • 30.5k views
   • 
   • zyzz
   • May 29, 2016

3. IHI VF Turbo Flow Rates 1 2

   By 6zeroG, November 26, 2007
   • 37 replies
   • 22.4k views
   • 
   • enzo24
   • April 7, 2015

4. Check Engine Error Codes from OBD2 1 2

   By 6zeroG, November 24, 2007
   • 32 replies
   • 11.5k views
   • 
   • Wyven
   • January 6, 2015

5. DIY: Customised Heat Shield 1 2

   By IdoL, February 10, 2008
   • 34 replies
   • 13.6k views
   • 
   • yao903
   • December 25, 2014

6. Fuel Info!!!!!!!!!!!!!!!!!!! 1 2

   By AndyWongcz, September 1, 2007
   • 43 replies
   • 18.5k views
   • 
   • Wyven
   • December 25, 2014

7. To DIY pin striping for 06/07 grill 1 2

   By crue, September 21, 2007
   • 26 replies
   • 9.8k views
   • 
   • darren.sim1983
   • July 29, 2013

8. RC's DIY: K&N Tips for cleaning

   By rc forrester, September 28, 2007
   • 13 replies
   • 5.4k views
   • 
   • REXXXy
   • July 15, 2013

9. Legacy CAI Installation 1 2 3 4 5

   By b33f, August 13, 2007
   • 121 replies
   • 24.6k views
   • 
   • fabiangt79
   • June 6, 2013

10. Rules & Regulations

    By hamet, July 20, 2007
    • 0 replies
    • 2.4k views
    • 
    • hamet
    • July 20, 2007

11. Rules & Regulations

    By hamet, July 20, 2007
    • 0 replies
    • 2.1k views
    • 
    • hamet
    • July 20, 2007

12. Rules & Regulations

    By hamet, July 20, 2007
    • 0 replies
    • 1.3k views
    • 
    • hamet
    • July 20, 2007

13. Suspension Recommendations - 99 WRX

    By wrxlover55, November 10, 2020
    • 0 replies
    • 1.1k views
    • 
    • wrxlover55
    • November 10, 2020

14. Eccentric Idling RPM after Battery Changed

    By kgleo, August 10, 2020
    • 1 reply
    • 1.4k views
    • 
    • unfair
    • August 12, 2020

15. Is it legal to covert single scroll to twin scroll...

    By courtney985, July 29, 2020
    • 0 replies
    • 342 views
    • 
    • courtney985
    • July 29, 2020

16. Car Jerking when in auto gear 1 & 2 ..and when rpm is low

    By zakiki13, September 24, 2017
    • 2 replies
    • 1.2k views
    • 
    • Weslim
    • August 23, 2019

17. Aircon Compressor Clinking Noise

    By tanxunhong, March 14, 2019
    • 0 replies
    • 813 views
    • 
    • tanxunhong
    • March 14, 2019

18. NEWBIE NEEDS HELP ABOUT ENGINE

    By Thierry, January 24, 2019
    • 1 reply
    • 936 views
    • 
    • attila
    • January 24, 2019

19. WTB: Stock WRX Hatchback Header, Up pipe and down pipe

    By Ben Kwek, September 18, 2018
    • 0 replies
    • 683 views
    • 
    • Ben Kwek
    • September 18, 2018

20. TCM Module

    By Howard, July 19, 2018   

    • tcm
    • 0 replies
    • 755 views
    • 
    • Howard
    • July 19, 2018

21. Engine Stall / vibrate when braking

    By Vincent Lum, March 1, 2018
    • 3 replies
    • 1.1k views
    • 
    • Vincent Lum
    • March 1, 2018

22. VSS and reverse wire

    By vchoy, December 7, 2017
    • 1 reply
    • 1.1k views
    • 
    • vchoy
    • February 21, 2018

23. Qns regarding 6 spd GB

    By hotshot85, February 8, 2018
    • 1 reply
    • 980 views
    • 
    • BLehBLeh
    • February 8, 2018

24. where to buy?

    By Weslim, December 2, 2017   

    • grimmespeed
    • mishimoto
    • 0 replies
    • 901 views
    • 
    • Weslim
    • December 2, 2017

25. How to make your subie sound like this

    By JeremyClarkson, November 17, 2017
    • 1 reply
    • 929 views
    • 
    • attila
    • November 27, 2017