Exhaust Systems and Parts

Installation of a good expansion chamber with a high flow air filter will really increase the horse power of your two stroke.

Jetting changes will be required.

HVCcycle Performance  Exhaust

HVC Performance Exhaust

Click the button above for the ultimate RD exhaust.

 
DG Performance Exhaust
 
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R5, RD, RZ Expansion chambers

  • Unparalleled Quality and Performance

  • 13 hp increase throught the mid-range and top end

  • Ten pounds lighter than stock

  • All mufflers can be rebuilt

  • RZ350 is aluminum; all others are steel
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DG-350 / DG-400

DG-RZ350

Prices listed below may vary due to manufacturing cost

RD 250/350 (1973-1975)
R5, DS6, DS7 (1970-1972)
 
$319.95 (DG-350)
ON SALE
$289.99
RD400 (1976-1978)
 
$319.95 (DG-400)
ON SALE!!
$289.99
 
 
RZ350 1984-1985

$349.95 (DG-RZ350)

 
 

YSR50 Exhaust

 

  • The best-looking and most-powerful pipe for the YSR50

  • Increases top speed from 48 mph to 57 mph

  • Designed after the factory Yamaha Road Racing Pipes

  • Comes complete with a rebuildable oval alloy silencer

$299.95 (DGYSR-50)

 

  
 

 

  

Cylinder Exhaust Studs

$3.50 each (EX-1234)

 

FIBERGLASS MUFFLER PACKING

  • Repack blown-out silencer for quieter running and more power
  • Long-filament fiberglass made especially for muffler packing
  • Measures 11” x 16”, more than enough to repack virtually any muffler

$6.95 (M701)

Replacement Yamaha Baffles

Reproduction Baffles

These baffles are the same size and shape of the stock baffles.

           Applications:

  • Yamaha R5 and DS7 70-72

  • Yamaha RD250/ 350/ 400 73-79

$69.99 (MK209)

 

 Yamaha RD400 Exhaust Joint

 

  • Fits all the RD400's 1976-1979

  • Replace your cracked or missing exhaust Joint.

  • High Quality molded rubber with a heat resistant sleeve

$79.99 (1A1-14615-02-00)

CLICK HERE

Exhaust Joint Spring Band

Click to enlarge

  • Fits the above exhaust joint

  • 2 required

$4.99ea (278-14456-00)

CLICK HERE
   

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