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Custom exhaust systems for the United Motors and Hyosung 650.

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All Larry Cook Exhaust Systems fit both United Motors and Hyosung 650 Motorcycles.

Best selling custom Hyosung 650 exhaust for fuel injected Models

Larry Cook Engineering has added custom exhaust systems to fit the United Motors and Hyosung 650 Fuel Injected models.

The systems resemble our carburator models but are about three (3) inches longer to accomodiate the oxygen sensor from the fuel injectors.

No modifications to the injectors are needed to pull more performance using our tuned exhaust system. You just unscrew the sensor from the factory system and screw in into our exhaust system.

The factory fuel injection system, when coupled to our exhaust system, will out perform our older jet kit modified pipes. That's just how fuel injection works and LCcycle has already tuned the pipes for best performance.

650 Hyosung noise reduction exhaust system

Larry Cook Engineering now offers many of our exhaust systems in two types, our popular standard models with big bike styling and "loud" sound, and our "More Quiet" models that reduce sound pressure levels by six decibels.

At a distance of 25 feet the More Quiet system emits only 78 decibels at idle. At one meter it emits 86 dB. Our standard system emits 94 dB at idle, one meter.

The reduction in noise level with our More Quiet system slightly reduces the horsepower gain from our unrestricted system but it still performs better than the factory exhaust.

We believe this is the compromise of noise vs. performance you've been looking for.

Stylish Hyosung 650 custom exhaust system

The Double Shot Super Slashers is our newest exhaust system. Looking for a deeper rumble? This is the answer. Hear it on this You Tube video. This exhaust is exclusive to LCcycle. Rated Best.

$590   Add $50 for More Quiet system.
DS Super Slashers Fuel Injected
Buy Now with PayPal   Fuel Injection

$525   Add $50 for More Quiet system.
DS Super Slashers Exhaust System
Buy Now with PayPal   Carburator Model

$555
Add $50 for More Quiet system.
DS Super Slashers with Jet Kit
Buy Now with PayPal   Carburator Model

Very popular Turnout style 650 Hyosung exhaust

The Double Shot Turnouts is a side-flair (turn-out) style exhaust system with a throaty sound. Hear it on this You Tube video. This exhaust is exclusive to LCcycle.

$590 Add $50 for More Quiet system.
DS Turnouts Fuel Injected
Buy Now with PayPal   Fuel Injection

$525    Add $50 for More Quiet system.
DS Turnouts Exhaust System
Buy Now with PayPal   Carburator Model

$555
   Add $50 for More Quiet system.
DS Turnouts with Jet Kit
Buy Now with PayPal   Carburator Model


Megaphone style custom 650 Hyosung exhaust system

The "Double Shots" megaphone effect runs you in a class with the BIG BOYS. This combined with your high revving engine may be enough to part the Highways. It also looks good in a bad boy sort of way.

Hear the Double Shots on MySpace.
Google video at Winners Circle.

$520 Add $50 for More Quiet system.
Double Shots Fuel Injected
Buy Now with PayPal   Fuel Injection

$455    Add $50 for More Quiet system.
Double Shots Exhaust System
Buy Now with PayPal   Carburator Model

$495
   Add $50 for More Quiet system.
Double Shots with Jet Kit
Buy Now with PayPal   Carburator Model





Extended length custom Hyosung 650 exhaust


The Double Shots Long Shot Turnout is extended 7" longer than our other exhaust systems. This exhaust system has a throaty sound due to its extra reach. Call for details on ordering our best exhaust system.

$790 Add $50 for More Quiet system.
DS Long Shot Turnouts Fuel Injected
Buy Now with PayPal   Fuel Injection

$725 Double Shot
Long Shot Turnouts
Add $50 for More Quiet system.
Buy Now with PayPal   Carburator Model

$765 Double Shot
Long Shot Turnouts with Jet Kit
Add $50 for More Quiet system.
Buy Now with PayPal   Carburator Model

Stylish extra length custom exhaust for 650 Hyosung

The Double Shots Long Shot Super Slashers is extended 7" longer than our other exhaust systems. This exhaust system has a throaty sound due to its extra reach. Call for details on ordering our best exhaust system.

$790 Add $50 for More Quiet system.
DS LS Super Slashers Fuel Injected
Buy Now with PayPal   Fuel Injection

$725 Double Shot
Long Shot Super Slashers
Add $50 for More Quiet system.
Buy Now with PayPal   Carburator Model

$765 Double Shot
Long Shot Super Slashers with Jet Kit
Add $50 for More Quiet system.
Buy Now with PayPal   Carburator Model





These exhaust systems available in standard output only. "More Quiet" systems not available below.

Our original megaphone style custom exhaust for Hyosung 650 Second view of our original megaphone style custom exhaust for the Hyosung 650

"XXX Double Shots"   This special dual exhaust systems is the quietest of the three but make no mistake this "glass pack" system has a throaty tone. This may be the mega phone exhaust you always wanted. It looks good too.


Hear the XXX Double Shots on MySpace.

$590
XXX Double Shots Fuel Injected
Buy Now with PayPal   Fuel Injection

$525
XXX Double Shots Exhaust
Buy Now with PayPal   Carburator Model

$555
XXX Double Shots with Jet Kit
Buy Now with PayPal   Carburator Model


Great budget priced custom Hyosung 650 exhaust system

The sound of this cutting exhaust might intimidate even the bravest of heart. "DS Slashers" may be what comes to mind when the public becomes aware you are on the street. See the Slashers video.

$520
Double Shots Fuel Injected
Buy Now with PayPal   Fuel Injection

$455
DS Slasher Exhaust System
Buy Now with PayPal   Carburator Model

$495
DS Slashers with Jet Kit
Buy Now with PayPal   Carburator Model





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