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Top 2GNT Technical Turbo/Nitrous Tech topic #75097
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Subject: "RE: HRC's 3" Downpipe Solution **Pictures**" Previous topic | Next topic
turbo8uAug-18-04 10:47 AM
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#75229, "RE: HRC's 3" Downpipe Solution **Pictures**"
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Originally posted by ner947
One thing about what's written on HRC's site... They say that you can disconnect the lower downpipe section to have the ultimate "race pipe" This is not reccomended if your injectors and coilpacks are hooked up to the stock ECU, because no exhaust gas will be passing by the rear oxygen sensor. There's mounting evidence that the rear oxygen sensor HAS to have exhaust gas blowing by it at all times (it doesn't matter if there's a catalytic converter or not) for the car to run properly. I don't feel like explaining why, but let's just say that Bill had a really good theory at the Shootout about this.


please, explain.

_ _ _ _ _ _ _ _ _

96 Black ESi
91 Red TSI AWD (RIP)
02 WRX


"turnin wrenches for nine hours in the pouring rain, just to get the beast up and running again"

Aerospace Certified TIG welder for Precision Castparts in Portland, OR.

JoshSpair.com

  

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HRC's 3" Downpipe Solution **Pictures** [View all] , KTECLIPSE, Aug-13-04 07:06 AM
  RE: HRC's 3" Downpipe Solution **Pictures**, Super20G, Aug-13-04 09:54 AM, #1
RE: HRC's 3" Downpipe Solution **Pictures**, AdministratorStar Turbo Talon, Aug-13-04 11:44 AM, #2
      RE: HRC's 3" Downpipe Solution **Pictures**, 420AYE, Aug-13-04 12:21 PM, #3
           RE: HRC's 3" Downpipe Solution **Pictures**, Teamdougie2, Aug-13-04 12:24 PM, #4
                RE: HRC's 3" Downpipe Solution **Pictures**, techboy, Aug-13-04 05:06 PM, #5
                     RE: HRC's 3" Downpipe Solution **Pictures**, optikal, Aug-13-04 05:26 PM, #6
                          RE: HRC's 3" Downpipe Solution **Pictures**, Teamdougie2, Aug-13-04 07:39 PM, #7
                               RE: HRC's 3" Downpipe Solution **Pictures**, Dirty, Aug-14-04 03:08 PM, #8
                                    RE: HRC's 3" Downpipe Solution **Pictures**, techboy, Aug-14-04 04:55 PM, #9
                                         RE: HRC's 3" Downpipe Solution **Pictures**, PowerEclipses, Aug-16-04 01:06 PM, #10
                                              RE: HRC's 3" Downpipe Solution **Pictures**, injendsm, Aug-16-04 01:49 PM, #11
                                              RE: HRC's 3" Downpipe Solution **Pictures**, injendsm, Aug-17-04 12:26 PM, #13
                                              RE: HRC's 3" Downpipe Solution **Pictures**, Dirty, Aug-16-04 01:52 PM, #12
                                                   RE: HRC's 3" Downpipe Solution **Pictures**, Enigma002, Aug-18-04 04:22 PM, #17
RE: HRC's 3" Downpipe Solution **Pictures**, Teamner947, Aug-18-04 10:46 AM, #14
RE: HRC's 3" Downpipe Solution **Pictures**, turbo8u, Aug-18-04 10:47 AM #15
      RE: HRC's 3" Downpipe Solution **Pictures**, soulcontroller, Aug-18-04 03:08 PM, #16
           RE: HRC's 3" Downpipe Solution **Pictures**, TeamAvenger, Aug-18-04 04:44 PM, #18
                RE: HRC's 3" Downpipe Solution **Pictures**, soulcontroller, Aug-18-04 06:31 PM, #19
                     RE: HRC's 3" Downpipe Solution **Pictures**, Teamdougie2, Aug-19-04 03:50 AM, #20
                          RE: HRC's 3" Downpipe Solution **Pictures**, MrSlick, Aug-19-04 04:41 AM, #21
                               RE: HRC's 3" Downpipe Solution **Pictures**, 97eclipse97, Aug-19-04 08:39 AM, #22
                                    RE: HRC's 3" Downpipe Solution **Pictures**, MrSlick, Aug-19-04 08:44 AM, #23
                                    RE: HRC's 3" Downpipe Solution **Pictures**, turbo8u, Aug-19-04 08:44 AM, #24
                                         RE: HRC's 3" Downpipe Solution **Pictures**, MrSlick, Aug-19-04 09:01 AM, #25
                                              Calling HRC..., MrSlick, Aug-19-04 09:02 AM, #26
                                                   RE: Calling HRC..., turbo8u, Aug-19-04 10:07 AM, #27
                                                        RE: Calling HRC..., MrSlick, Aug-19-04 10:40 AM, #28
                                                             RE: Calling HRC..., Teamdougie2, Aug-19-04 10:55 AM, #29
                                                             RE: Calling HRC..., MrSlick, Aug-19-04 10:56 AM, #30
                                                                  RE: Calling HRC..., Teamdougie2, Aug-19-04 11:04 AM, #31
                                                             RE: Calling HRC..., turbo8u, Aug-19-04 12:00 PM, #32
                                                                  RE: Calling HRC..., Global Ruler Of All ThingsDarkOne, Aug-19-04 12:23 PM, #33
                                                                       RE: Calling HRC..., turbo8u, Aug-19-04 01:56 PM, #34
                                                                            RE: Calling HRC..., Global Ruler Of All ThingsDarkOne, Aug-20-04 08:28 AM, #35
                                                                                 RE: Calling HRC..., turbo8u, Aug-20-04 08:30 AM, #36
                                                                                 RE: Calling HRC..., Teamdougie2, Aug-20-04 10:50 AM, #37
                                                                                      RE: Calling HRC..., turbo8u, Aug-21-04 08:39 AM, #38
                                                                                           RE: Calling HRC..., MrSlick, Aug-21-04 01:35 PM, #39
                                                                                                RE: Calling HRC..., Chamuko, Aug-23-04 01:11 PM, #40

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