Flaps Open! Race mode exhaust sound in all modes - Alfa Romeo Giulia Forum
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post #1 of 358 (permalink) Old 05-23-2017, 01:25 PM Thread Starter
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Flaps Open! Race mode exhaust sound in all modes

I've been corresponding with a shop in Arizona that has developed and is testing a controller that allows you to open the exhaust flaps completely (as in race mode) in any mode. Here's the response below. You should feel free to contact them...it may make them speed up the development if there's a lot of interest:

Hello Simon,

I am testing the controller on two Guiliaís at this time. The first test (from an owner in the Netherlands) has come back with positive results. I made a minor adjustment to the controller configuration and am conducted a second test (with an owner in the USA), that should have results within 2 weeks or so.

Preliminary results is that the controller will only be able to provide two modes of operation Ö
1. Normal (the carís ECU controls the exhaust flap valves just it does now)
2. Always Open Ö you will have ability to open force the flapper valves open at all times.

The controller has the ability for a third function Ö Always Closed Ö however, in the first test when this option was enabled, the sensors in the exhaust detected too much back pressure when in RACE mode, forced an immediate Check Engine Light warning. This only occurred in RACE mode. In the second test, the Always Closed option is disabled and a different car is used for this evaluation. I am fairly confident that the second level of testing will be successful.

In summary, it is likely that for the Guilia, only two modes will be enabled (Normal and Open). This should not be a problem because when you want to have the valves closed, switching to normal mode and reducing the engine RPM will cross the threshold where the ECU will close the valves. Normally, you would want this when going fairly slow anyway.

The only disadvantage is that the Always Closed option has been a desirable option for people who track their cars at venues that limit the sound level. It is appearing that for the Guilia, I wonít be able to offer this option as the carís sensors donít seem to like it. Throwing a Check Engine Light will not be option for most owners. But, with the Always Open option, you will have the option to keep the valves open for that throaty exhaust note at low or high engine RPM levels.

I will notify you when I have the product ready for sale.

Kind regards,

Steve Bisel

[email protected]
480 227 3474

Forza Componenti darkdragon2-150x171
13271 E Del Timbre Drive, Scottsdale, AZ 85259
www.forzacomponenti.com
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post #2 of 358 (permalink) Old 05-26-2017, 05:46 PM
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Nice to hear! I am very interested in the QV, until i found out that the awesome exhaust sound in only available in Race mode. Hopefully this controller will work. I will definitely have the valves open full time in all modes.
Thanks!��
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post #3 of 358 (permalink) Old 05-26-2017, 08:04 PM
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Are there side effects in keeping the exhaust flaps open on all modes?
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post #4 of 358 (permalink) Old 05-26-2017, 09:03 PM
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Are there side effects in keeping the exhaust flaps open on all modes?
Not much to my knowledge. The loss of back pressure may effect torque at certain points in the power curve. It may also effect gas mileage by reducing it, due to more air flow and fuel consumption. On my 360, where I've had the solenoid disconnect mod in place for a couple weeks, I've noticed maybe some more fuel consumption but I got back from the event last Sunday with no fuel up warning light. I haven't noticed anything in performance. But the sound is intoxicating! And I mean on lift and burble as well. Now there is a little more rattle on warm up after start but the note is great. As the pipes and valves warm up that goes away and you are left with the great sound. The burble on coast or decel is that latest plus I noticed this week. Just like my high flow exhaust on the Miata. Going slow or coasting sounds just as cool as getting on it. And it's not too loud if you are subtle around the neighborhood. I suspect, the new Giulia may be just fine with a solenoid disconnect without the valves. I'd rather spend money on wrap, tint and go pedal/flash. But at this point, with a brand new build, a tight, clean and convenient valve set up is probably not a big deal
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post #5 of 358 (permalink) Old 07-05-2017, 01:05 PM Thread Starter
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It's available guys! I just put in my order this morning. I've been driving my Q in race mode 75% of the time just for the amazing sound. Now Forza Componenti has released a controller that opens the exhaust flaps in any mode if you want. Has a nice remote and if you like, a manual switch too. I think $350 is a bargain. Can't wait to get it and have it installed. I sold my wife on it as a safety issue...so I don't have to be in race mode all the time with all the safety functions off.

I'll post a review of it when I've had it installed.

http://forzacomponenti.com/exhaust_controller_main.html
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post #6 of 358 (permalink) Old 07-05-2017, 01:15 PM
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Originally Posted by Simey View Post
It's available guys! I just put in my order this morning. I've been driving my Q in race mode 75% of the time just for the amazing sound. Now Forza Componenti has released a controller that opens the exhaust flaps in any mode if you want. Has a nice remote and if you like, a manual switch too. I think $350 is a bargain. Can't wait to get it and have it installed. I sold my wife on it as a safety issue...so I don't have to be in race mode all the time with all the safety functions off.

I'll post a review of it when I've had it installed.

http://forzacomponenti.com/exhaust_controller_main.html
Is this plug and play ?

Ive spent most of my life racing... The rest I just wasted

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post #7 of 358 (permalink) Old 07-05-2017, 01:20 PM Thread Starter
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Is this plug and play ?
I'm told it's a simple installation. You will have to remove the under-body panel to access the vacuum tube. They are sending detailed install info to me as it's not on the website yet. I'm not going to be doing this myself although anyone that works on their own car probably shouldn't have an issue. You can email Steve Bisel at [email protected] with any specific questions.
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post #8 of 358 (permalink) Old 07-05-2017, 01:29 PM
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Does this work with a non QF model?
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post #9 of 358 (permalink) Old 07-05-2017, 02:28 PM Thread Starter
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Does this work with a non QF model?
I believe so, but check with [email protected] to be sure. He's very responsive.
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post #10 of 358 (permalink) Old 07-05-2017, 02:53 PM Thread Starter
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Originally Posted by kanundrum View Post
Is this plug and play ?
Kanundrum, here is the link to the installation instructions. Seems fairly straightforward to me (with my limited mechanical and electrical knowledge) http://forzacomponenti.com/faqalfagiulia.html
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