Invidia Catless and Catted Front Pipe - ** FT-86 SpeedFactory ** - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

karma003 · 10-17-2012, 06:41 AM

Any pix of the catless on the car? Installed? & sorry, I'm confused. What the hell is an over pipe

FT-86 SpeedFactory · 10-17-2012, 09:00 AM

Quote:

Originally Posted by karma003

Any pix of the catless on the car? Installed? & sorry, I'm confused. What the hell is an over pipe

Have those for you later today.

YoKeutla · 10-17-2012, 09:23 AM

Quote:

Originally Posted by karma003

Any pix of the catless on the car? Installed? & sorry, I'm confused. What the hell is an over pipe

Diagram courtesy of Perrin

karma003 · 10-17-2012, 12:35 PM

Does the over pipe delete a cat or something then? There's just one on the front pipe, correct?

YoKeutla · 10-17-2012, 02:46 PM

Quote:

Originally Posted by karma003

Does the over pipe delete a cat or something then? There's just one on the front pipe, correct?

No, the overpipe does not delete a cat. It is just another piece that is a bottleneck to the rest of the exhaust system once you upgrade to larger piping.

There is a Cat on the header where your O2 readings come from and there is a cat on the frontpipe. You can retain that second cat on the frontpipe, by purchasing the catted frontpipe being offered by Invidia here.

On a side note, Jeremy is off to the dyno to get some numbers on the N1 cat-back we currently have installed and runs with the frontpipe as well!!! Should have results and video clips up tonight

ProjectD · 10-17-2012, 03:49 PM

Quote:

Originally Posted by YoKeutla

No, the overpipe does not delete a cat. It is just another piece that is a bottleneck to the rest of the exhaust system once you upgrade to larger piping.

There is a Cat on the header where your O2 readings come from and there is a cat on the frontpipe. You can retain that second cat on the frontpipe, by purchasing the catted frontpipe being offered by Invidia here.

On a side note, Jeremy is off to the dyno to get some numbers on the N1 cat-back we currently have installed and runs with the frontpipe as well!!! Should have results and video clips up tonight

Great news! Are the tests with/ without the catted front pipe? Perhaps both?

Edit: testing with "catless" front pipe. I'm asking because i am interested in the catback + catless setup. Hoping for an over pipe + header in the future.

Style · 10-17-2012, 03:50 PM

I just might have to be picking up the Catted pipe for sure.!

VSGTS14 · 10-17-2012, 03:55 PM

awaiting results for full invidia setup...i would like to run this

Style · 10-17-2012, 04:05 PM

So what exactly is the difference between the catted and the catless besides the obvious of 1 have the cat and the other not?

YoKeutla · 10-17-2012, 04:16 PM

Quote:

Originally Posted by Style

So what exactly is the difference between the catted and the catless besides the obvious of 1 have the cat and the other not?

That is the only difference.

Understand the the cat will restrict flow and muffle the exhaust tone a bit, so I guess there is that difference too. Which is usually a given.

Style · 10-17-2012, 04:18 PM

Quote:

Originally Posted by YoKeutla

That is the only difference.

Understand the the cat will restrict flow and muffle the exhaust tone a bit, so I guess there is that difference too. Which is usually a given.

Isn't it illegal to not have a cat though?

ProjectD · 10-17-2012, 04:19 PM

Quote:

Originally Posted by Style

Isn't it illegal to not have a cat though?

Depends on which state/county/ region you live in...

FT-86 SpeedFactory · 10-17-2012, 06:37 PM

Well I have some good news and bad news. Got the car strapped down and we had issues with the sensor that reads the RPM. Determined bad cable and we're waiting for another one to be shipped out now.

Good news is I put the catless one on our silver car and I must say boy does it wake the car up. The +4K rpm range goes much more quickly now and the car feels more alive. I personally love it.

I have photos of both units installed. Will edit those up shortly.

FT-86 SpeedFactory · 10-17-2012, 07:31 PM

Photos of each installed:

Comparison to stock. Catless ---- Catted ---- Stock

Catted

Cattless

10-17-2012, 06:41 AM	#15
karma003 auto-crosser/drifter Join Date: Jul 2012 Drives: 2013 scion FR-S black M/T Location: corpus christi, TX Posts: 357 Thanks: 496 Thanked 51 Times in 40 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Any pix of the catless on the car? Installed? & sorry, I'm confused. What the hell is an over pipe __________________ My build http://www.ft86club.com/forums/showthread.php?t=12770

10-17-2012, 12:35 PM	#18
karma003 auto-crosser/drifter Join Date: Jul 2012 Drives: 2013 scion FR-S black M/T Location: corpus christi, TX Posts: 357 Thanks: 496 Thanked 51 Times in 40 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Does the over pipe delete a cat or something then? There's just one on the front pipe, correct? __________________ My build http://www.ft86club.com/forums/showthread.php?t=12770

10-17-2012, 03:55 PM	#22
VSGTS14 987 Motorsports Join Date: Aug 2012 Drives: '13 WO FR-S Location: Phillipsburg, NJ Posts: 340 Thanks: 1 Thanked 97 Times in 66 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	awaiting results for full invidia setup...i would like to run this __________________ '13 WO FR-S Track Car Build

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10-17-2012, 03:50 PM	#21
Style LXXXVI Join Date: Apr 2012 Drives: Dahlia (Raven FR-S) Location: SoCal/South Bay/Lawndale Posts: 401 Thanks: 346 Thanked 86 Times in 68 Posts Mentioned: 0 Post(s) Tagged: 1 Thread(s)	I just might have to be picking up the Catted pipe for sure.!

10-17-2012, 04:05 PM	#23
Style LXXXVI Join Date: Apr 2012 Drives: Dahlia (Raven FR-S) Location: SoCal/South Bay/Lawndale Posts: 401 Thanks: 346 Thanked 86 Times in 68 Posts Mentioned: 0 Post(s) Tagged: 1 Thread(s)	So what exactly is the difference between the catted and the catless besides the obvious of 1 have the cat and the other not?

10-17-2012, 06:37 PM	#27
FT-86 SpeedFactory Join Date: Jul 2012 Drives: 2013 Scion FR-S Location: Des Moines, IA Posts: 7,694 Thanks: 1,298 Thanked 3,578 Times in 1,253 Posts Mentioned: 341 Post(s) Tagged: 5 Thread(s)	Well I have some good news and bad news. Got the car strapped down and we had issues with the sensor that reads the RPM. Determined bad cable and we're waiting for another one to be shipped out now. Good news is I put the catless one on our silver car and I must say boy does it wake the car up. The +4K rpm range goes much more quickly now and the car feels more alive. I personally love it. I have photos of both units installed. Will edit those up shortly.

10-17-2012, 07:31 PM	#28
FT-86 SpeedFactory Join Date: Jul 2012 Drives: 2013 Scion FR-S Location: Des Moines, IA Posts: 7,694 Thanks: 1,298 Thanked 3,578 Times in 1,253 Posts Mentioned: 341 Post(s) Tagged: 5 Thread(s)	Photos of each installed: Comparison to stock. Catless ---- Catted ---- Stock Catted Cattless

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