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Old 03-31-2015, 03:20 PM   #1
FloridaBRZ
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exhaust opinions

Currently I am running a Tomei UEL header, Drop in filter, Ark Grip Exhaust and OFT Stage 2 flash. I want some more power and was thinking of doing an over pipe and front pipe. That being said, this is my daily driver. I am the executive chef of a country club and have to drive my car thru the neighborhoods all the time. If I went full catless with my car, would it be so annoying that my members would complain? I was thinking of going tomei overpipe and the ark resonated front pipe. Anyone running something similar, or if anyone has a constructive opinion, I am all ears. I am just afraid of bothering golfers when they are tee'ing off and getting bitched at by my General Manager.


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Old 03-31-2015, 03:23 PM   #2
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Yes, catless with be very loud. Mine shook the house and had my neighbors calling the cops on me. I didn't have the Ark exhaust but I'd imagine it would still be louder than you'd want. Also, the gains from an over pipe and front pipe are rather negligible.
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Old 03-31-2015, 03:33 PM   #3
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Given the details of your job, I would not change the exhaust. I would go get a dyno tune and maybe look into a small turbo if you really want more power out of it.
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Old 03-31-2015, 03:55 PM   #4
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The gains will be minimal with the fp/op. You would probably get more gains by tuning the tune.
Sad to say, but there is a double standard. If it was a lambo or ferrari, people wouldn't care. Since it is not, they WILL complain, and you will know.
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Old 03-31-2015, 04:06 PM   #5
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Originally Posted by FloridaBRZ View Post
Currently I am running a Tomei UEL header, Drop in filter, Ark Grip Exhaust and OFT Stage 2 flash. I want some more power and was thinking of doing an over pipe and front pipe. That being said, this is my daily driver. I am the executive chef of a country club and have to drive my car thru the neighborhoods all the time. If I went full catless with my car, would it be so annoying that my members would complain? I was thinking of going tomei overpipe and the ark resonated front pipe. Anyone running something similar, or if anyone has a constructive opinion, I am all ears. I am just afraid of bothering golfers when they are tee'ing off and getting bitched at by my General Manager.


Thanks,
Tim
Get a turbo, there's no better exhaust muffler.
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Old 03-31-2015, 04:12 PM   #6
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Quote:
Originally Posted by FloridaBRZ View Post
Currently I am running a Tomei UEL header, Drop in filter, Ark Grip Exhaust and OFT Stage 2 flash. I want some more power and was thinking of doing an over pipe and front pipe. That being said, this is my daily driver. I am the executive chef of a country club and have to drive my car thru the neighborhoods all the time. If I went full catless with my car, would it be so annoying that my members would complain? I was thinking of going tomei overpipe and the ark resonated front pipe. Anyone running something similar, or if anyone has a constructive opinion, I am all ears. I am just afraid of bothering golfers when they are tee'ing off and getting bitched at by my General Manager.


Thanks,
Tim
Hey Tim, drift office in washington has tuned about 8 different exhaust combinations with the tomei UEL, they've gotten between 189 and 192 regardless of fp/op used. I would suggest you keep the OP/FP stock for noise and get a dyno tune. I'll be installing a similar set up to yours shortly, tomei uel, perrin op, ark resonated fp and perrin 2.5 inch resonated cat back. as it stands the ark fp + perrin cat back makes a great noise but i know my shits about to get loud but i'm not concerned

or if you want more power and more quiet, do what sportsguy suggested

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Get a turbo, there's no better exhaust muffler.
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Old 03-31-2015, 07:46 PM   #7
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As far as tune, is there really more gains to be had than by running the stage 2 OFT tune from Shiv? As in, could someone do a better job of tuning it and if so, anyone know any shops in South Florida that can work with the OFT to get me more power. I was looking at the speed by design turbo. Its on sale for 3k. They claim 277hp on 93 octane. Only problem is my car has less than 20k miles on it, and if I turbo it, there is NO chance to keep my warranty. Up to this point, if I reflash back to stock with my OFT, I could argue if something did go wrong.
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Old 03-31-2015, 07:59 PM   #8
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Originally Posted by FloridaBRZ View Post
As far as tune, is there really more gains to be had than by running the stage 2 OFT tune from Shiv? As in, could someone do a better job of tuning it and if so, anyone know any shops in South Florida that can work with the OFT to get me more power. I was looking at the speed by design turbo. Its on sale for 3k. They claim 277hp on 93 octane. Only problem is my car has less than 20k miles on it, and if I turbo it, there is NO chance to keep my warranty. Up to this point, if I reflash back to stock with my OFT, I could argue if something did go wrong.
Yes. The canned OFT tunes are conservative to begin with, because they have to work with a wide variety of cars and locations and altitudes etc... without any modification to the tune. A custom tune for your vehicle will likely give you more power because it was done purely for the quirks your vehicle has in the environment you normally drive in. Plus, tuners can use the OFT to tune your car. I'd check with Shiv to see if he has any recommendations for tuners familiar with OFT in your area.


If you don't want to go FI for warranty reasons, you can also consider E85 fuel. The OFT has E85 maps available. E85 will get you more power at the expense of some gas mileage, but it's also cheaper than gasoline, so that offsets the cost. The only thing with OFT E85 maps vs. a flex-fuel system is that you need to get as much gas out of the tank as possible before you fill it with E85, whereas with a flex-fuel system the controller will determine the ethanol content and adjust the map accordingly. The only question is if it's available in your area.
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Old 03-31-2015, 08:08 PM   #9
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Quote:
Originally Posted by FloridaBRZ View Post
Currently I am running a Tomei UEL header, Drop in filter, Ark Grip Exhaust and OFT Stage 2 flash. I want some more power and was thinking of doing an over pipe and front pipe. That being said, this is my daily driver. I am the executive chef of a country club and have to drive my car thru the neighborhoods all the time. If I went full catless with my car, would it be so annoying that my members would complain? I was thinking of going tomei overpipe and the ark resonated front pipe. Anyone running something similar, or if anyone has a constructive opinion, I am all ears. I am just afraid of bothering golfers when they are tee'ing off and getting bitched at by my General Manager.


Thanks,
Tim
Go high flow cat front pipe and swap that ark exhaust with a Q300. And also get a custom tune for the car. You'll get some more power from the retune and opening up the exhaust, and the q300 will let you keep the rumble but keep it at polite levels once it gets out of cold start.
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Old 03-31-2015, 08:48 PM   #10
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K. Funny story. Have looked for E85 in my area before and the closest place was over a hour away. Now there is one about 15 minutes away. So SCORE!! I of course, just filled my tank up today. What are the exact steps I need to do to change to E85? Do I need to run my tank to empty? I have an OFT, UEl headers, drop in filter and cat back exhaust. Can I expect to see gains from running E85 and if so, how much? Why did I fill my tank up today? Anyway, if anyone can point me in the right direction, or answer any of the above questions, I would definitely appreciate it!!
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Old 03-31-2015, 11:01 PM   #11
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Old 03-31-2015, 11:14 PM   #12
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K. Funny story. Have looked for E85 in my area before and the closest place was over a hour away. Now there is one about 15 minutes away. So SCORE!! I of course, just filled my tank up today. What are the exact steps I need to do to change to E85? Do I need to run my tank to empty? I have an OFT, UEl headers, drop in filter and cat back exhaust. Can I expect to see gains from running E85 and if so, how much? Why did I fill my tank up today? Anyway, if anyone can point me in the right direction, or answer any of the above questions, I would definitely appreciate it!!
Dig into the tuning forum; it's all in there. Also look at the tutorials in @steve99's signature block. I don't know more than the basic theory because E85 is not available to me so I don't run it.
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Old 04-01-2015, 12:56 AM   #13
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It's pretty easy to switch from regular gasoline to E85 with the OFT. Simply just empty your gas tank or drive until the gas light comes on and fill up with E85. Once filled up, drive for maybe 2-3 miles depending on the amount of 93 octane you still have in your gas tank, then pull over and flash your OFT to the E85 map. Upon completion of the flash, drive your car gingerly for the next, give or take, 10 miles--this is to ensure that the ECU has time to adjust and calibrate the map to the E85 fuel. (I highly recommend driving on the highway or driving at some constant speed throughout the 10 miles, so that the ECU can adjust to the E85 quicker!) Boom, you're done!

Is E85 worth it? Nope unless you're a baller. You won't notice anything dramatic but you'll notice slightly more torque throughout the rev range. You can't make up for displacement with fuel, especially with the FA20.
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Old 04-01-2015, 02:20 AM   #14
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K. Funny story. Have looked for E85 in my area before and the closest place was over a hour away. Now there is one about 15 minutes away. So SCORE!! I of course, just filled my tank up today. What are the exact steps I need to do to change to E85? Do I need to run my tank to empty? I have an OFT, UEl headers, drop in filter and cat back exhaust. Can I expect to see gains from running E85 and if so, how much? Why did I fill my tank up today? Anyway, if anyone can point me in the right direction, or answer any of the above questions, I would definitely appreciate it!!
Just wanted to chime in, I've been running E85 for the past couple weeks and it's definitely worth it if that place opened up near you. I drive about 15minutes to get to the only station in my area and it's definitely worth it.

E85+UEL Header+ Stage 2 OFT Tune will get around 205-210whp generally and completely eliminate ANY torque dip, which you will definitely feel and pull on similar cars without E85
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