Q6 Series Stainless Steel Slip-On Exhaust // 2018-2019 Wildcat XX


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Speedwerx Q6 Series Slip-On Exhaust 

The Q6 Series Slip-On Exhaust is designed to increase power, add acceleration and throttle response, lose weight and be maintenance free all while being only slightly louder than stock. With this exhaust, you are also eliminating the catalytic converter that is inside the OEM muffler- that means more air flow for better performance, and less heat retention for cooler engine compartment temps. It has a different tone or pitch with only a few db increase over stock, so it's perfect for those looking for a better sounding exhaust with a more moderate sound level.


  • 10.9 lb. Weight Savings
  • 1 HP Gain
  • No EFI changes required (Using a Power Commander or ECU remap will add a slight increase in power)
  • Full Stainless Steel Construction
  • Stock-like Sound Levels 
  • Built-in Spark Arrestor
  • No Internal Packing (Maintenance Free)
  • All Q6 mufflers now come standard with turndown outlets to clear accessory bumpers

Muffler Comparison:

Stock 97dB @4500 rpm - 112dB @9000rpm - 20.8lbs with heat shields
   L2 106dB @4500 rpm - 114dB @9000 rpm - 6.2lbs installed = 14.6 lbs savings
  Q6 102dB @4500 rpm - 111dB @9000 rpm - 9.9lbs installed = 10.9 lbs savings

The difference in the dB readings at 4500 on the Stock and Q6 parts can be misleading as the sound of the Q6 is much more friendly and tolerable compared to stock. The Q6 also has a different tone compared to stock- the stock rattle / vibration sound is gone with the Q6- this does not show up on the decibel meter but anyone who is sensitive to this sound will notice the difference right away.

Check out our Stainless Steel Exhaust Header for even more power, or our Exterminator Kits for a complete performance package!

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⚠WARNING: Cancer and Reproductive Harm — Speedwerx, Inc. Prop65 Warnings or

These items are intended for closed-course competition only. Alternation of emissions-related components can constitute violation of federal and/or state laws. Substantial fines and penalties can result if used for other than closed-course competition use.