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Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 1Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 2Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 3Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 4Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 5Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 6Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 7Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 8Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 9Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 10Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 11Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 12Set, Pipe, Full Race System, WSS300, (Street) KTM RC390 13

Set, Pipe, Full Race System, WSS300, (Street) KTM RC390

This full exhaust system has been conceived to meet WSS300 specifications and carefully designed to squeeze the most power out of the 390. The stainless steel headers are tapered and the sections hand- rolled and welded to give this system incredible looks as well as performance.

And with full spring mounting, fitting and removal of the exhaust is quick and simple. Ideal in a race environment.  

By taking advantage of better routing under the engine, the exhaust can be made to optimize dimensions  to exploit the motor’s full potential. In addition, by tucking it up through the swing arm, the exhaust does not have any clearance issues in tight bends and is kept away from side which is the most vulnerable position in the case of an accident, increasing its survivability.

The system features a primary silencer, which helps reduce the sound level without any loss of performance. 

The system is also provided with a dB killer as well as a carbon heat shield and a bracket so you can mount this system on the earlier RC390 models which did not have this already on the frame, meaning this exhaust will fit all RC390 models to date.

WEIGHTS

  • EXPS-0111 and EXPS-0112 ( the full systems) 3.8 kg

Weights Separate parts in the set:

  • Silencer EXSL-0074 : 1.55 kg
  • Final section EXPT-0078: 1.3 kg
  • Header pipe  EXPT-0077: 0.6 kg
  • all other components (manifold clamp, db killer, heat shield hoses etc)  0.35

Sound test of  the full TYGA system back to back with the Akrapovic World Supersport 300 titanium pipe.

As you can see on the chart  below, the sound levels (without DK) are pretty much identical between the two systems. The DK knocks about 5 decibels off everywhere.
 

Main Pipe Silencer Decidel Killer Idle 3,000rpm 5,000rpm 7,000rpm
Akrapovic Akrapovic N/A 91 95 101 106
Akrapovic TYGA No 91 95 100 106
Akrapovic TYGA Yes 85 90 94 101
TYGA TYGA No 91 95 99 105
TYGA TYGA Yes 85 90 94 100
TYGA Akrapovic N/A 91 95 99 10

Due to the new routing of the exhaust, it is necessary to re-route the water hoses and remove the thermostat, and we provide all the necessary hoses for this conversion. Also, due the exhaust running under the engine, the stock belly pan is not compatible and we provide some alternatives which are not included in the cost of the exhaust.

Compatible TYGA-Performance Belly Pans are:

  • BPFL-7431 ( GRP)
  • BPFL-7431 ( GRP, Painted White)
  • BPCL-7431 (Carbon)

Note, this is what we describe as the ‘Street’ system. The only difference between this and the race one is the silencer is in a more out board position to clear license/Registration place when used on the street. Powerwise, it is identical to EXPS-0112

Fitting Instructions:

This product contains the following items:
Spring, Exhaust, Swivel Head6 x  (EXSG-0002) Spring, Exhaust, Swivel Head $2.48US
Section, Header, Stainless, WSS300 Race System, KTM RC3901 x  (EXPT-0077) Section, Header, Stainless, WSS300 Race System, KTM RC390 $180.61US
Section, Final, Stainless, WSS300 Race System, KTM RC3901 x  (EXPT-0078) Section, Final, Stainless, WSS300 Race System, KTM RC390 $380.35US
Decibel Killer, Silencer, Stainless, 44.5mm1 x  (EXDK-0006) Decibel Killer, Silencer, Stainless, 44.5mm $27.06US
Manifold Clamp, WSS300 Race System, KTM RC3901 x  (EXMC-0015) Manifold Clamp, WSS300 Race System, KTM RC390 $13.79US
Manifold, WSS300 Race System, KTM RC3901 x  (EXMN-0015) Manifold, WSS300 Race System, KTM RC390 $24.16US
Water Hose, Head Conversion, KTM RC3901 x  (TPER-0066) Water Hose, Head Conversion, KTM RC390 $20.11US
Radiator Hose Blank, 19mm, Kit, KTM RC3901 x  (BPSY-0240) Radiator Hose Blank, 19mm, Kit, KTM RC390 $12.33US
Frame Mount Stay, WSS300 Race System, KTM RC3901 x  (EXMS-0020) Frame Mount Stay, WSS300 Race System, KTM RC390 $13.79US
Silencer, Stainless, Round, WSS300, (Street) KTM RC390, No fittings1 x  (EXSL-0074(p)) Silencer, Stainless, Round, WSS300, (Street) KTM RC390, No fittings $339.32US
Silencer Guard, Carbon, (Street) WSS300 Race System, KTM RC3901 x  (BPCC-0048) Silencer Guard, Carbon, (Street) WSS300 Race System, KTM RC390 $128.68US

Cost of separate parts: $1,155.08US

You save $105.00US
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