I thought I will share what I've managed to dig up in the past few weeks regarding exhaust system for our wonderful cars (not just RS model).
Active-Sound - RS TDI Only. Must have Soundaktor - 1,159 Euro
Retrofit Kit Active Sound Exhaust | Skoda Octavia RS TDI-
Skoda Octavia 5E RS TDI 2.0 TDI 184 HP + Active Sound Exhaust System (Sound Aktuator) - YouTube - Video
Cost as much as proper exhaust system, however from my understanding it tinker with the SoundAktor instead, doesn't seem to touch the physical exhaust. Sounded quite mean
Bull X - RS TSI Only - 999 Euro - German Based - 3 inch system
Website has excellent video and picture of the complete exhaust system. Good for reference. The video on the website is for manual, hence lack of DSG fart
Skoda Octavia Rs 5e TSI DSG mit BullX ab Turbo Los - YouTube - DSG video
Skoda Octavia RS 5e DSG mit BullX ab Turbo - YouTube
http://www.youtube.com/watch?v=DLAGEUplpz8 - Inside Cabin
Fox Exhaust - Most model, price vary - German Based - 2.5 inch
http://www.youtube.com/watch?v=7cTZOJz7p5c - Short video
Miltek - Price not released - RS TSI and TDI Only - 3 inch version
From Briskoda brief review (Aussie driver), he mentioned tone change is very minimum if any. He paid just under AUD2k i think.
http://www.youtube.com/watch?v=FsbupfSTQw8 - Video - Suggest otherwise, quite loud and mean.
Scorpion Exhaust - Price TBA - UK based - 2.5 inch system
From Briskoda brief review, it only increase the sound marginally, similar to Sport mode to those with Soundaktor.
Sorry no video.
Supersprint - Most model available, RS model 1435 Euro (individual component price not kit) - Guessing 2.5inch, pipe doesn't look as large as BullX
http://www.youtube.com/watch?v=2ifN1UHopY4 - Video
Nice sound from inside the cabin.
S-Motors - RS Only - Price tba - 3 inch version
From what i can gather, 3 inch version gives off deeper sound while 2.5 inch is more throaty. I personally prefer 2.5 inch version as it provide the right amount of pitch and the impression of urgency to complement the engine noise.
All the manufacturer with the exception of Bull X retain the same exhaust configuration ie: Central round resonator plus two muffler. BullX has opted to use a straight pipe where the central resonator normally live, they have a rather large muffler in the cavity on the rear left hand side of the vehicle instead.
If anyone has came across different system please feel free to add to the list.
Active-Sound - RS TDI Only. Must have Soundaktor - 1,159 Euro
Retrofit Kit Active Sound Exhaust | Skoda Octavia RS TDI-
Skoda Octavia 5E RS TDI 2.0 TDI 184 HP + Active Sound Exhaust System (Sound Aktuator) - YouTube - Video
Cost as much as proper exhaust system, however from my understanding it tinker with the SoundAktor instead, doesn't seem to touch the physical exhaust. Sounded quite mean

Bull X - RS TSI Only - 999 Euro - German Based - 3 inch system
Website has excellent video and picture of the complete exhaust system. Good for reference. The video on the website is for manual, hence lack of DSG fart
Skoda Octavia Rs 5e TSI DSG mit BullX ab Turbo Los - YouTube - DSG video
Skoda Octavia RS 5e DSG mit BullX ab Turbo - YouTube
http://www.youtube.com/watch?v=DLAGEUplpz8 - Inside Cabin
Fox Exhaust - Most model, price vary - German Based - 2.5 inch
http://www.youtube.com/watch?v=7cTZOJz7p5c - Short video
Miltek - Price not released - RS TSI and TDI Only - 3 inch version
From Briskoda brief review (Aussie driver), he mentioned tone change is very minimum if any. He paid just under AUD2k i think.
http://www.youtube.com/watch?v=FsbupfSTQw8 - Video - Suggest otherwise, quite loud and mean.
Scorpion Exhaust - Price TBA - UK based - 2.5 inch system
From Briskoda brief review, it only increase the sound marginally, similar to Sport mode to those with Soundaktor.
Sorry no video.
Supersprint - Most model available, RS model 1435 Euro (individual component price not kit) - Guessing 2.5inch, pipe doesn't look as large as BullX
http://www.youtube.com/watch?v=2ifN1UHopY4 - Video
Nice sound from inside the cabin.
S-Motors - RS Only - Price tba - 3 inch version
From what i can gather, 3 inch version gives off deeper sound while 2.5 inch is more throaty. I personally prefer 2.5 inch version as it provide the right amount of pitch and the impression of urgency to complement the engine noise.
All the manufacturer with the exception of Bull X retain the same exhaust configuration ie: Central round resonator plus two muffler. BullX has opted to use a straight pipe where the central resonator normally live, they have a rather large muffler in the cavity on the rear left hand side of the vehicle instead.
If anyone has came across different system please feel free to add to the list.
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