Keep stock muffler with other exhaust mods? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

jordanrw260 · 02-22-2013, 03:56 PM

Do you think I can still gain power if I keep the stock muffler on but replace the front and over pipe? I would like to keep my car sounding close to stock but would also like to have some power gains.

shu5892001 · 02-22-2013, 03:58 PM

you will probably gain power from replacing the front pipe since you will delete a cat or run hfc.

jordanrw260 · 02-22-2013, 04:04 PM

I wonder if the exhaust would sound like crap without a cat on the front pipe while keeping the stock muffler. Has anyone had the chance to hear the stock setup with just a front pipe added?

#87 · 02-22-2013, 04:05 PM

Interested in this. I want to keep my car looking as stock as possible when I have FI

fmsida · 02-22-2013, 04:33 PM

I had a catless front pipe with stock muffler. Sounds different, but minimal. You will be able to tell the difference in sound from inside the cabin, but once you turn on the radio you will barely hear any difference. I would definitely adivse going this route. I now have a dual muffler delete with the catless front pipe, but I feel like I will put on my stock muffler once I get an over pipe.

also, there was no rasp or drone coming from the catless front pipe.

_hollywood · 02-22-2013, 04:36 PM

Quote:

Originally Posted by #87

Interested in this. I want to keep my car looking as stock as possible when I have FI

Same hear, my ricer days are pretty much over and the drone and waking up the neighbors is not worth 10hp to me....

*KID* · 02-22-2013, 04:43 PM

I was planning on the same motiv op and front pipe. And the gt86 exhaust tips

jordanrw260 · 02-22-2013, 05:11 PM

Quote:

Originally Posted by fmsida

I had a catless front pipe with stock muffler. Sounds different, but minimal. You will be able to tell the difference in sound from inside the cabin, but once you turn on the radio you will barely hear any difference. I would definitely adivse going this route. I now have a dual muffler delete with the catless front pipe, but I feel like I will put on my stock muffler once I get an over pipe.

also, there was no rasp or drone coming from the catless front pipe.

Did you notice any increase in performance from the catless front pipe with the stock muffler or was it simply just a tone change?

Clipdat · 02-22-2013, 05:19 PM

It would be sweet to cut open the stock muffler and take out all the baffling/restrictions and then weld it shut again. Total stealth look and it would probably sound better. Maybe.

fmsida · 02-22-2013, 05:21 PM

Quote:

Originally Posted by jordanrw260

Did you notice any increase in performance from the catless front pipe with the stock muffler or was it simply just a tone change?

Both. A bit more responsive all around, but mostly in the high rpm's. I bought mine for $200 from P&L Motorsports. If you can, i would buy a drop in filter, silicone tube, the over pipe and front pipe and install all together. I think you will be happy with that setup.

If not, then a drop in filter with front pipe, followed by the over pipe, then silicone tube.

leon78 · 02-22-2013, 05:21 PM

If tuned for it...you will gain a few hp. Deff a good route to go on any platform.

Sent from my yotaru

jordanrw260 · 02-22-2013, 05:55 PM

Quote:

Originally Posted by fmsida

Both. A bit more responsive all around, but mostly in the high rpm's. I bought mine for $200 from P&L Motorsports. If you can, i would buy a drop in filter, silicone tube, the over pipe and front pipe and install all together. I think you will be happy with that setup.

If not, then a drop in filter with front pipe, followed by the over pipe, then silicone tube.

I actually just received my HKS drop in and Perrin inlet tube. I will be installing those when the snow melts away here in St.Louis.

I was thinking of purchasing this combo for exhaust -
Agency Power Over Pipe & Front Pipe

http://www.fa20club.com/product.php?...cat=358&page=1

Would you say that the catless front pipe with stock muffler is acceptable for a daily driver? I don't want drone going 60-75mph.

86_ZN6 · 02-22-2013, 06:12 PM

Replacing just the midpipe will gain you 6HP

suaveflooder · 02-22-2013, 06:44 PM

Quote:

Originally Posted by #87

Interested in this. I want to keep my car looking as stock as possible when I have FI

Quote:

Originally Posted by _hollywood

Same hear, my ricer days are pretty much over and the drone and waking up the neighbors is not worth 10hp to me....

LOL! Not sure how old you two are, but its funny how priorities change when you get a little older (I'm 31). I never had the "fortune" of ricing out my cars, but I just sold my second modded cobra. While I just lost about 350rwhp, it is SO NICE to have a practical car, hearing my radio, and being able to talk on the phone while driving.

I can't wait to see your FI setups!

02-22-2013, 04:43 PM	#7
KID 86-er Join Date: May 2012 Drives: BRZ tS Location: Laredo, TX Posts: 970 Thanks: 195 Thanked 253 Times in 175 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I was planning on the same motiv op and front pipe. And the gt86 exhaust tips __________________ 2018 Subaru BRZ ts 020/500 - My Daily, work car, and track car

02-22-2013, 05:21 PM	#11
leon78 Senior Member Join Date: Jan 2013 Drives: 13 Whiteout Location: Niceville FL Posts: 666 Thanks: 307 Thanked 241 Times in 142 Posts Mentioned: 23 Post(s) Tagged: 1 Thread(s)	If tuned for it...you will gain a few hp. Deff a good route to go on any platform. Sent from my yotaru __________________ 2013 Scion FR-S (Whiteout) GunMetal 16x8+25 Enkei CompE_Cusco OCC_ Kartboy Crank Pulley_Kartboy TMM insert_Koni Yellows_RCE Springs_K&N Drop-In_Eibach FSB_J2 Catless FP_WhiteLine Camber Bolts_NameLess Track Pipe_RBF600_Ferodo DS2500_PTUNING Tuned. Less parking more racing

02-22-2013, 06:12 PM	#13
86_ZN6 Senior Member Join Date: Apr 2012 Drives: 86 ZN6 Location: SF Bay Area, NorCal Posts: 4,682 Thanks: 1,317 Thanked 2,072 Times in 1,222 Posts Mentioned: 126 Post(s) Tagged: 1 Thread(s)	Replacing just the midpipe will gain you 6HP Last edited by 86_ZN6; 02-22-2013 at 06:32 PM.

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02-22-2013, 03:58 PM	#2
shu5892001 Ontario's FT86 Join Date: Aug 2012 Drives: 2016 Lexus GS-F Location: Toronto Posts: 685 Thanks: 261 Thanked 165 Times in 111 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	you will probably gain power from replacing the front pipe since you will delete a cat or run hfc.

02-22-2013, 04:05 PM	#4
#87 I usually post drunk Join Date: Oct 2009 Drives: BRZ Location: NY Posts: 1,487 Thanks: 15 Thanked 490 Times in 231 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Interested in this. I want to keep my car looking as stock as possible when I have FI

02-22-2013, 04:33 PM	#5
fmsida Senior Member Join Date: Jun 2012 Drives: 2013 DGM BRZ Location: H-town, TX Posts: 202 Thanks: 10 Thanked 49 Times in 34 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I had a catless front pipe with stock muffler. Sounds different, but minimal. You will be able to tell the difference in sound from inside the cabin, but once you turn on the radio you will barely hear any difference. I would definitely adivse going this route. I now have a dual muffler delete with the catless front pipe, but I feel like I will put on my stock muffler once I get an over pipe. also, there was no rasp or drone coming from the catless front pipe.

02-22-2013, 05:19 PM	#9
Clipdat Proud of BOXER Join Date: Dec 2012 Drives: Subaru Boxer Location: Bay Area Posts: 8,148 Thanks: 7,073 Thanked 6,846 Times in 3,675 Posts Mentioned: 199 Post(s) Tagged: 0 Thread(s)	It would be sweet to cut open the stock muffler and take out all the baffling/restrictions and then weld it shut again. Total stealth look and it would probably sound better. Maybe.

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