Fujitsubo front pipe -- teaser shot - Page 5 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

mav1178 · 08-30-2016, 02:55 PM

By request, Fujitsubo has updated this front pipe to include a wideband O2 sensor bung.

New part number 110-23127

churchx · 08-31-2016, 02:06 AM

Hmm. O2 bung pre-cat? What for? If it were after 2nd cat, then it might work as O2 spacer reducing CEL chances, but why weld bung before it?

mav1178 · 08-31-2016, 02:44 AM

Quote:

Originally Posted by churchx

Hmm. O2 bung pre-cat? What for? If it were after 2nd cat, then it might work as O2 spacer reducing CEL chances, but why weld bung before it?

there's no cat on this front pipe.

double resonator. Plus, this is meant more for wideband tuning than anything else. Without some type of O2 extension cable, you can't get any of the factory sensors this far back anyhow.

churchx · 08-31-2016, 03:46 AM

I just recall (IIRC) Apexi cylinder back exhaust with catless header + o2 extention cable + bung after 2ndary cat in frontpipe, hence thought if bung addition on this was intended for similar reasons.

mav1178 · 08-31-2016, 03:03 PM

Quote:

Originally Posted by churchx

I just recall (IIRC) Apexi cylinder back exhaust with catless header + o2 extention cable + bung after 2ndary cat in frontpipe, hence thought if bung addition on this was intended for similar reasons.

Apex'i header system is meant to replace entire OEM header/OP/front pipe setup, and have a functional catalytic converter for street use in Japan.

Their O2 is before the primary cat, which is now located in the secondary cat location on the front pipe.

The Fujitsubo front pipe is just straight through design with resonators. I had suggested to them that adding wideband O2 bung would make the front pipe a better investment for buyers, since not all headers on the market have wideband O2 sensor bung.

-alex

TofuJoe · 10-02-2016, 07:10 PM

@mav1178 - where can I buy the Fujitsubo front pipe?

Mr.Impreza · 10-02-2016, 08:55 PM

Quote:

Originally Posted by TofuJoe

@mav1178 - where can I buy the Fujitsubo front pipe?

http://www.frsport.com/Fujitsubo-110...p_1213521.html

or

contact info@cuscousainc.com for further details or to find a retailer.

TofuJoe · 10-02-2016, 09:23 PM

@Mr.Impreza - not in stock at FR Sport. I'll email Cusco, but it sure seems like a hassle to get one of these. Hopefully worth it.

reeves · 03-30-2017, 03:02 AM

Quote:

Originally Posted by mav1178

The Fujitsubo front pipe is just straight through design with resonators. I had suggested to them that adding wideband O2 bung would make the front pipe a better investment for buyers, since not all headers on the market have wideband O2 sensor bung.

-alex

Could you also suggest to them to make the bolt holes A LOT bigger on the flange connecting to the mid-pipe (spring bolts). They are ridiculously SMALL!! Can't even fit a 14mm bolt through there. I think the OEM nut/bolt on that flange was 17 or 19mm.

Yes you can drill a bigger hole there yourself.. but for a "high end" brand, this is an unacceptable oversight.

mav1178 · 03-30-2017, 02:28 PM

Quote:

Originally Posted by reeves

Could you also suggest to them to make the bolt holes A LOT bigger on the flange connecting to the mid-pipe (spring bolts). They are ridiculously SMALL!! Can't even fit a 14mm bolt through there. I think the OEM nut/bolt on that flange was 17 or 19mm.

Yes you can drill a bigger hole there yourself.. but for a "high end" brand, this is an unacceptable oversight.

This front pipe is designed with OEM spring bolt in mind. I don't think this is an oversight at all.

The OEM spring bolt is 14mm on the midpipe side and 12mm on the front pipe side.

-alex

reeves · 03-30-2017, 05:01 PM

Quote:

Originally Posted by mav1178

This front pipe is designed with OEM spring bolt in mind. I don't think this is an oversight at all.

The OEM spring bolt is 14mm on the midpipe side and 12mm on the front pipe side.

-alex

You're absolutely right, found my old stock front pipe today just to compare. Guess I've been using the bigger aftermarket bolts & nuts for too many years now.

The pipe is 'stock-quiet', as advertised! I noticed a welcomed change in the tone of my exhaust too. But without the noise!

Trueweltall · 07-06-2017, 12:19 PM

Quote:

Originally Posted by mav1178

This front pipe is designed with OEM spring bolt in mind. I don't think this is an oversight at all.

The OEM spring bolt is 14mm on the midpipe side and 12mm on the front pipe side.

-alex

My mid pipe flange was too thick to use with the stock hardware. If anyone else runs into this problem with the front pipe head to advanced auto and buy part #03143, that should fit.

gpvecchi · 06-17-2018, 11:23 AM

Quote:

Originally Posted by mav1178

I may have found the perfect setup...

Tomei UEL + Fujitsubo front pipe + Blitz VSR exhaust.

Absurdly quiet! And no cats if you aren't into cats.

-alex

Do you have a video, please?

mav1178 · 06-17-2018, 10:22 PM

Quote:

Originally Posted by gpvecchi

Do you have a video, please?

Static:
[ame]https://www.youtube.com/watch?v=58YOMheNM_0[/ame]

Driving:
[ame]https://www.youtube.com/watch?v=jDf0bUg-bpQ[/ame]

08-30-2016, 02:55 PM	#57
mav1178 Senior Member Join Date: Apr 2013 Drives: 2005 Toyota Camry Location: 91745 Posts: 6,562 Thanks: 493 Thanked 6,093 Times in 3,029 Posts Mentioned: 95 Post(s) Tagged: 3 Thread(s)	By request, Fujitsubo has updated this front pipe to include a wideband O2 sensor bung. New part number 110-23127 Attached Images

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08-31-2016, 02:06 AM	#58
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,333 Thanks: 696 Thanked 2,085 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	Hmm. O2 bung pre-cat? What for? If it were after 2nd cat, then it might work as O2 spacer reducing CEL chances, but why weld bung before it?

08-31-2016, 03:46 AM	#60
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,333 Thanks: 696 Thanked 2,085 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	I just recall (IIRC) Apexi cylinder back exhaust with catless header + o2 extention cable + bung after 2ndary cat in frontpipe, hence thought if bung addition on this was intended for similar reasons.

10-02-2016, 07:10 PM	#62
TofuJoe Ohne Titel Join Date: May 2015 Drives: 2017 BRZ PP ISM Location: SF Bay Area Posts: 684 Thanks: 1,141 Thanked 412 Times in 234 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	@mav1178 - where can I buy the Fujitsubo front pipe?

10-02-2016, 09:23 PM	#64
TofuJoe Ohne Titel Join Date: May 2015 Drives: 2017 BRZ PP ISM Location: SF Bay Area Posts: 684 Thanks: 1,141 Thanked 412 Times in 234 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	@Mr.Impreza - not in stock at FR Sport. I'll email Cusco, but it sure seems like a hassle to get one of these. Hopefully worth it.

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