Navigation YZ450F Mach 1    
 

Designed and developed to produce maximum usable power, all Mach 1 exhaust systems have been both dyno and track tested. Dyno results show great improvements in torque and peak horsepower while our track test proved it with faster lap times. Complete with our Moflow headpipe, Pro-Tec Mach 1 exhaust systems are available in full competition or U.S.F.S. approved versions. All Mach 1 exhaust systems are thermal ceramic coated for temperature control and good looks.

Mach 1 exhaust systems by Pro-Tec are available with the optional A.N.S. The Pro-Tec Adjustable Noise Suppressor is quickly adjusted to reduce decibels in environmentally sensitive areas. No caps to remove. No parts to add. Adjustments are simply made by spinning the inner plate to the desired position and resetting the lock bolts.

 
 
Mach 1 exhaust system on a Yamaha YZ450F
OEM Exhaust   Mach 1 Exhaust The YZ450F was tested with our Mach 1 exhaust system only. The numbers listed to the left show stock horsepower and the increase in horsepower at the specified RPM level.

Time is listed in seconds.
Stock
(horsepower)		 Time
(seconds)		 RPM Time
(seconds)		 Increase
(horsepower)
19.1 0.49 4500 0 +1.3
25.1 0.89 5000 0.42 -2.1
30.7 1.24 5500 0.81 -1.6
34.5 1.56 6000 1.15 -0.2
37.7 1.88 6500 1.48 +1.3
40.4 2.21 7000 1.79 +2.7
41.5 2.53 7500 2.1 +3.8
42.1 2.88 8000 2.41 +4.6
42.8 3.24 8500 2.74 +5.0
40.9 3.63 9000 3.09 +7.7
40.7 4.06 9500 3.45 +7.4
40.5 4.51 10000 3.85 +7.3
40.3 4.99 10500 4.26 +6.0
38.9 5.51 11000 4.72 +5.5
 Application Part #

Price
 YZ 450F:
   Complete exhaust system - U.S.F.S. Qualified
   You save $112.48		 50-0575 337.46

 

For those who ride in sound sensitive areas Pro-Tec has developed an Adjustable Noise Suppressor for the Mach 1 line of exhaust systems. Easily installed and easily adjusted, the Pro-Tec A.N.S. is a must for anyone in need of improved performance without excessive noise.
 Part #  Description

Price

  
 50-0000  Adjustable noise suppressor 59.95

 A50-2000-8  Exhaust end cap 19.95

 A50-2000-9  Spark arrester screen 28.00

 A50-2000-10  Exhaust spring 4.50

 

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