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27th June 2012
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Senior Master Custom Bike Builder
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Join Date: Dec 2006
Posts: 4,794 Sportster/Buell Model: 1200 Low Sportster/Buell Year: 2007 Other Motorcycle Model: Yamaha FZ1 Other Motorcycle Year: 2008
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Turbos work real spiffy. Real quiet and 50% more power, if you hold them back.
__________________
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Regarding engine mods, it all depends what you are driven by......
Bling, bragging rights, silky smooth power delivery, a little more peak power, violent power delivery,
traction or wheelie limited acceleration, a sound that just drips testosterone or peace of mind that
everything is as perfect as you know how to make it.
When the racers get done doing the impossible the engineers get a chance to correct the errors in the model.
***My other addiction, running Megasquirt EFI ***
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27th June 2012
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Amateur Hour
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Join Date: Feb 2008
Posts: 2,896 Sportster/Buell Model: 883 Xl Sportster/Buell Year: 1992
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A supertrap 2 into 1, but its a complete pipe, quiet ,good performance, but spendy
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27th June 2012
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SpaceTimeContinuum Keeper
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Join Date: Apr 2012
Posts: 101 Sportster/Buell Model: XL1200R Sportster/Buell Year: 2008
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I made a decibel test inside the helmet and the SE II were giving me 106db at 3000rpm inside the helmet, that made my head ake after 1 hour of riding.
I've just gronked my original exhaust and it's too quiet  plus I lost some power. But it gives me 96db inside the helmet, that i can stand for long periods.
I miss the rumble but my head and ears as well my GF thank me.
Perhaps I'll resell the SE II and look for something not as loud as they these, the HD EPA have a nice tone.
in the meantime i guess the gronked ones will do. |
27th June 2012
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SpaceTimeContinuum Keeper
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Join Date: Apr 2012
Posts: 101 Sportster/Buell Model: XL1200R Sportster/Buell Year: 2008
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I've heard mixed opinion on the suppertraps some say they are too loud.
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27th June 2012
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XL FORUM TEAM MEMBER
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Join Date: May 2011
Location: Carnoustie, Angus
Posts: 572 Sportster/Buell Model: XL1200R Sportster/Buell Year: 2004
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I have SEII's on my XL1200R and I loved the sound (and the look) but like you I also got a headache after a short ride. After reading various posts and trawling the Internet I came across Smartpartz and the HardKore baffle. Pure genius, quiet on the cruise and through town, wail like a banshee on WOT, a little more back pressure than the stock SEII and although purely subjective better performance in the mid-range. For the money I would give them a try http://www.smartpartz.com/SPZSEII.html.
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My patience and the Winter Rebuild are not well matched.
Coming soon:
2004 XL1200 R
Cylinder Head Work including:
1.900 intake 7MM 4.425 SG
1.615 Exhaust 7MM 4.651 SG
7MM Beehive Spring 600 Lift
Striker Performance 7MM Valve Spring Kit
HP 3563 30D76 3.563 30 Degree Piston with Reverse Dome, 76 CC Chamber
XL/ Buell 1250 kit, Black With Highlighted Fins
04/Buell XB Intake 10.676x.065x3/8 (-.050)
04/Buell XB Exhaust 10.730x.065x3/8 (-.050)
XL 560 lift Impact hammer Performance Cam Set
V & H Competition Series 2 into 1 Exhaust, 04-12 Xl models
Twin Tec Adjustable Ignition Module, 04-06 Sportster/Twin cam single 12 pin
1991 to Present Sportster (XL) - Energy One Extra Plate Clutch Kit
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27th June 2012
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JESTER MAFIA
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Join Date: Feb 2006
Location: Indian Territory
Posts: 9,118 Sportster/Buell Model: NRHS 1250-R Sportster/Buell Year: 2005
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Quote:
Originally Posted by jassssss
I've heard mixed opinion on the suppertraps some say they are too loud.
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Really??? That is one thing I've never heard about the Supertrapp.
__________________
A Member of The Cell
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27th June 2012
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XL FORUM TEAM MEMBER
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Join Date: Jul 2009
Location: Falcon, CO 7240 ft above sea level
Posts: 387 Sportster/Buell Model: Nightster Sportster/Buell Year: 2008
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Quote:
Originally Posted by jassssss
I've heard mixed opinion on the suppertraps some say they are too loud.
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I ran a Supermeg with 20 disc and closed cap on my 09 and it was not loud at all. Above 4k it was louder than stock by not by much. It had GREAT performance, I wish I would have went with it again instead of the Road Rage I have on my 08. Road Rage made about 2 or 3 HP more but it is all on top and the torque curve on the Supermeg is way more drivable.
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"For those who care, I do not"
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27th June 2012
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Turbo Mafia R&D
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Join Date: Nov 2011
Posts: 2,843 Sportster/Buell Model: Turbo XL Sidecar Sportster/Buell Year: 2009
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Quote:
Originally Posted by cotnballs
I ran a Supermeg with 20 disc and closed cap on my 09 and it was not loud at all. Above 4k it was louder than stock by not by much. It had GREAT performance, I wish I would have went with it again instead of the Road Rage I have on my 08. Road Rage made about 2 or 3 HP more but it is all on top and the torque curve on the Supermeg is way more drivable.
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I agree on the super trapp...and they aren't loud...closed end cap reduces a lot of noise to...great muffler
Sent from my LG-P999 using Tapatalk 2 |
27th June 2012
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Amateur Hour
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Join Date: Feb 2008
Posts: 2,896 Sportster/Buell Model: 883 Xl Sportster/Buell Year: 1992
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If you or whoever told you a supertrapp is too loud, prob should buy a different brand of bike. That pipe is not super loud, it is a harley after all, that pipe is an awesome performance pipe too. I dont think anybody out there would disagree its not a great performance pipe. I just put another pipe on last night, its not a supertrapp, the only reason I didnt buy one is because they are really quiet compared to other exhausts. good luck
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28th June 2012
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Turbo Mafia R&D
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Join Date: Nov 2011
Posts: 2,843 Sportster/Buell Model: Turbo XL Sidecar Sportster/Buell Year: 2009
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Quote:
Originally Posted by whittlebeast
Turbos work real spiffy. Real quiet and 50% more power, if you hold them back.
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 ...
Sent from my LG-P999 using Tapatalk 2 |
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