LRD Pro 4 Series Exhaust

 Yamaha YFZ 450
•         Open: 101
•         Quiet Core: 98.5
•         Weight: 8.2 lbs
•         5.7 HP @ 4200rpm
•         Top-end gain of 9.9 horsepower @ 9400rpm!

Yamaha Raptor 80 
•         This is a great for beginners bike that can use a little more punch.
•         Adding the Pro 4 Series exhaust will give the mini-quad greater bottom end throttle response and more rev-out on the top-end.
•         Decible rating of 85.5

Yamaha Raptor 660
•         Open: 99
•         Quiet Core: 97
•         Weight:10.8 lbs
•         PEAK HP: 46.3 @ 6400 RPM 
•         Produces a 11 Horse Power increase @ 3500 rpm
•         8 Horse Power gain at 8000 rpm

Yamaha Raptor 350
•         Open: 98
•         Quiet Core: 96
•         Weight: 9.8 lbs
•         Peak Power 27.3 HP @ 7400 RPM
•         5.1 HP increase @ 2900 RPM
•         8.1 HP increase @ 5600 RPM

Yamaha Raptor 80
•    Extra punch in the power band
•    Increases bottom end responses
•    Improves mid-range power and rev-out
•    sound test is 85,5

 Suzuki LTZ400
•         Open: 99.6
•         Quiet Core: 97
•         Weight: 8.9 lbs
•          4 Horse Power increase @ 6200 rpm
•         8.3 Horse Power gain at 8200 rpm. .
•         The LTZ exhaust now features a Stainless Steel head pipe and tail section.
 

Suzuki LTZ90
•         Stationary Sound Test:
•         Open: 84.5 db
•         Exhaust Weight: 5.6 lbs
•         Header and Tailpipe plated are chrome and the muffler has a satin brushed finish.

Kawasaki KFX400 :
•         Open: 99.6
•         Quiet Core: 97
•         Weight: 8.9 lbs
•         Produces a 4 Horse Power increase @ 6200 rpm
•          8.3 Horse Power gain at 8200 rpm

 Honda TRX400EX
•         PEAK HP: 32.9 @ 7200
•         Open: 99.3
•         Quiet Core: 96.0
•         Full System Weight: 10.25 lbs.
•         The Pro 4 Series full exhaust on the 400EX provides a tremendous power increase.
•         Throttle response and acceleration are improved as well as the rev-out power.
•         3 Horse Power increase @ 4000 rpm
•         6 Horse Power gain at 9000 rpm.
•         The average increase across the powerband is over 13%

Honda TRX450R
•    Open: 99
•    Quiet Core: 97
•    Exhaust Weight: 8.1 lbs
•    With Jet Kit and Filter the LRD has a respectable gain of 7.1 HP gain @ 4200rpm
•    6.3 HP increase @ 5800rpm.

Honda  TRX90
•    broad power band and outstanding acceleration
•    the Pro Series exhaust turns this quad into a real racer!
•    great improvements in both mid-range power and rev-out
•    sound test is 86 db in open form.
•    Header and Tailpipe plated in chrome.