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Tommyboy
Complete Newb


Reged: 08/23/11
Posts: 16
Loc: Connecticut USA
Easy Performance Modifications?
      #530050 - 08/30/11 07:30 PM

Hi Everyone,

I've spent some time reviewing this forum and am looking for clarification on a few things. I've got a 2007 America (carbs) and am considering some basic upgrades....

1) Am I correct in assuming that disabling the AI results in a performance increase? I don't care about the blue pipes (too late anyway) or the heat but wouldn't mind a smoother throttle. I've read conflicting things about this.
2) Does removing the snorkle always neccessitate re-jetting?
3) My bike came from the dealer used with the TOR mufflers. Did any other mods need to be made when the new exhaust was installed?
4) The horn is weak - are there any plug and play options for replacement or do I need to start re-wiring?

Bike runs fine, no problems, primary objective at this stage is "first, do no harm".

Much obliged for your thoughts and advice.


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B02S4
Learned Hand


Reged: 02/28/08
Posts: 1543
Loc: USA
Re: Easy Performance Modifications? [Re: Tommyboy]
      #530051 - 08/30/11 07:50 PM

1) No.
2) Mostly, yes.
3) Should have been rejetted also.
4) Fiamm High or low tone is close to plug & play.


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bigbill
Worn Saddle


Reged: 01/11/05
Posts: 6140
Loc: Las Vegas, Nevada
Re: Easy Performance Modifications? [Re: B02S4]
      #530057 - 08/30/11 09:09 PM

AI removal will usually stop or greatly reduce the popping on decel as well, but since all it does is introduce fresh air into the exhaust it has no effect on performance.

Since the pipes have been replaced and it may have been rejetted, removing the snorkel may not require any additional jetting mods. Run it and see how it feels.

--------------------
"The whole problem with the world is that fools and fanatics are always so certain of themselves and wiser people so full of doubts." ~ Bertrand Russell


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Two_Wheel_n
Learned Hand


Reged: 08/02/09
Posts: 1092
Loc: South Coast, MA
Re: Easy Performance Modifications? [Re: Tommyboy]
      #530065 - 08/31/11 02:21 AM

You said that 'your pipes are blue already' probably means it isn't jetted right(or wasn't). How many miles? I have the TOR's and the dealer said 'you don't have to jet' when I put them on, that was before I found this place. So my pipe have a blue stain to them even thou they are jetted right now.

--------------------
'04' Black America
Some new pics:
http://s889.photobucket.com/home/spcont/recentuploads?view=slideshow


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Conwy
Learned Hand


Reged: 05/21/07
Posts: 1267
Loc: Kent, WA, USA
Re: Easy Performance Modifications? [Re: Two_Wheel_n]
      #530087 - 08/31/11 09:38 AM

New Thunderbird horn fits very nicely, with no modifications, and it is considerably louder. I used it the other day remind a distracted driver that the stoplight had been green >5 seconds.
I think they can be had for about $35.

Definitely get rid of the snorkel and let your engine breathe. Some of us have installed a Polaris bellmouth (look for them on eBay for around $30 ??) while others feel it does nothing.

Good luck!! You've got some very clever people here willing to help you out. They've helped me for sure.

--------------------
Blue/White 2007 TBA, Thruxton needles, Unifilter, AI removed, Polaris Bellmouth, Bubs, Nology Coils/wires, Lightbar, Ricor Intiminators, Hagon Nitros, Tall Sissy Bar w/luggage rack, Dart flyscreen & Lowers. 130 Mains.


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Tommyboy
Complete Newb


Reged: 08/23/11
Posts: 16
Loc: Connecticut USA
Re: Easy Performance Modifications? [Re: Conwy]
      #530111 - 08/31/11 01:54 PM

BO2S4: Thanks, I'll look into the Fiamm
BigBill: Good idea, I'll try removing snorkle and check it out
Two Wheelin: I've got 10K. Wasn't aware that a rejet helped with the blue pipes, have only read about AI helping that
Conwy: I'll look into the Thunderbird and will test the bike without snorkle

Thanks to all.


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Two_Wheel_n
Learned Hand


Reged: 08/02/09
Posts: 1092
Loc: South Coast, MA
Re: Easy Performance Modifications? [Re: Two_Wheel_n]
      #530112 - 08/31/11 02:03 PM

Quote:

You said that 'your pipes are blue already' probably means it isn't jetted right(or wasn't). How many miles? I have the TOR's and the dealer said 'you don't have to jet' when I put them on, that was before I found this place. So my pipe have a blue stain to them even thou they are jetted right now.




Had to cut it short this morning (coffee was kicking in) if it's running lean too, it will turn the pipes blue also. The best bet is to look and see for sure what size jets you have. Different brands grade their jets differently than others too.

--------------------
'04' Black America
Some new pics:
http://s889.photobucket.com/home/spcont/recentuploads?view=slideshow


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locopony
Loquacious


Reged: 09/01/10
Posts: 4307
Loc: Texas, Houston
Re: Easy Performance Modifications? [Re: Two_Wheel_n]
      #530188 - 09/01/11 07:09 AM

Jetting matters to blueing of pipes as a matter of heat. Lean jetting increases the exhaust temp there by causing the pipes to turn blue. There is a posted jett calculator by Dinqua and by Friar John they are very accurate. Some will try to refine their jetting more but I just use the numbers given with no problems. Have fun and good luck. This becomes addictive.

--------------------
Bopin in the bad shine, with a bota bag of fried wine.
http://locoponys.com/


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Hairdoo
Adjunct


Reged: 06/11/11
Posts: 449
Loc: Haymarket, VA, USA
Re: Easy Performance Modifications? [Re: locopony]
      #530201 - 09/01/11 10:17 AM

I have the FIAMM low tone horn - it took, maybe, 5 minutes to replace the stock horn with it. Much louder and more easily heard. wired and bolted right up to the existing mount and wiring.

--------------------
...you're gonna feel a little pressure....


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Hairdoo
Adjunct


Reged: 06/11/11
Posts: 449
Loc: Haymarket, VA, USA
Re: Easy Performance Modifications? [Re: Hairdoo]
      #530202 - 09/01/11 10:18 AM

(I bought it at pep boys for something like 15 dollars)

--------------------
...you're gonna feel a little pressure....


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