4 Stroke

These Akrapovic silencers have been conceived for motocross and enduro riders who are looking for the
best exhaust systems available on the aftermarket and who know how optimum power development can
best be achieved on the motocross track or in enduro use. The hexagonal silencer is a perfect match for
the sharp lines of the KTM.
The benefits:
– Higher top speed
– Optimum power development throughout the rev range
– Highest quality workmanship
– Carbon clamps and carbon end cap
– Tuned for compliance with the latest applicable noise regulations
With removable noise reduction insert. We recommend use in combination with a factory header
for even better rideability and performance. FOR CLOSED COURSE COMPETITION USE ONLY.

Part Number SXS.11.250.502

Fits:

250 SX-F/XC-F/XCF-W 06-12

These Akrapovic silencers have been conceived for motocross and enduro riders who are looking for the
best exhaust systems available on the aftermarket and who know how optimum power development can
best be achieved on the motocross track or in enduro use. The hexagonal silencer is a perfect match for
the sharp lines of the KTM.
The benefits:
– Higher top speed
– Optimum power development throughout the rev range
– Highest quality workmanship
– Carbon clamps and carbon end cap
– Tuned for compliance with the latest applicable noise regulations
With removable noise reduction insert. We recommend use in combination with a factory header
for even better rideability and performance. FOR CLOSED COURSE COMPETITION USE ONLY.

Part Number SXS.11.450.502

Fits:

350SX-F/XC-F 11-12

450/505SX-F 07-12

450SMR

The quietest silencers in offroad history! Specially developed for the latest SX and EXC generation, this Akrapovic titanium factory silencer is ahead of its...

Developed by Akrapovic in collaboration with the KTM Factory Team: the highest quality factory header you can buy for your motorcycle. Top titanium quality...

The innovative, transparent nano-coating preserves the elegant appearance of the silencer for a longer period of time, since it prevents scratches,...

This Akrapovic slip-on main silencer offers more power & torque, uncompromising race looks, significant weight saving. The advantages - Improved torque...

Developed by Akrapovic in collaboration with the KTM Factory Team: the highest quality
factory header you can buy for your motorcycle. Top titanium quality and maximum weight
reduction are the secrets behind the outstanding successes of the KTM Factory Team.
The benefits:
– Perceptible increase in performance throughout the rev range
– Made from titanium – that means: ultra-light
– Highest quality workmanship
– Optimum header routing
A resonance chamber is also used on selected factory headers, contributing
to optimum torque distribution and noise reduction. Note: These Performance
headers are designed for CLOSED COURSE COMPETITION USE ONLY.

Part Number 772.05.907.044

Fits:

350SX-F/XC-F 11-12

350XCF-W 12-13

FMF FACTORY HEADER
Designed and engineered direct from our factory race teams, it provides
excellent power gains. Recommended for motocross use. Must be used
with KTM / FMF silencer. FOR CLOSED COURSE COMPETITION ONLY.

Part Number U691.2012

Fits:

250SX-F/XC-F 11-12

250XC-W 12-13

FMF FACTORY HEADER
Designed and engineered direct from our factory race teams, it provides
excellent power gains. Recommended for motocross use. Must be used
with KTM / FMF silencer. FOR CLOSED COURSE COMPETITION ONLY.

Part Number U691.2053

Fits:

350SX-F/XC-F 11-12

350XC-W 12-14

**EXCLUSIVE MUFFLER FOR KTM POWERPARTS USED BY TROY LEE KTM AND BTO KTM TEAMS** The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber...

The science behind the Megabomb header may be our greatest engineering accomplishment to date. You can bolt on a Megabomb with an existing FMF Racing...