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FMF Q4 Spark Arrestor Muffler - 045190

  • Part #: 433959
  • Manufacturer Part #: 045190
This item is no longer available

Overview of FMF Q4 Spark Arrestor Muffler - 045190

  • The result of years of championship off-road racing technology
  • Twin-stage core design extends the life of the packing and lowers the dB output
  • Includes spark arrestor
  • Titanium version features an American TIMETAL canister, end cap and mid-pipe

Included Items:
(1) Muffler
(1) 8x65mm bolt
(1) 6x45mm bolt
(1) Spacer
(1) Clamp
(1) Instructions

Specs for FMF Q4 Spark Arrestor Muffler - 045190

Type - Exhaust Slip-On/Muffler
Units Each
Weight 7.05 lbs

Specs for FMF Q4 Spark Arrestor Muffler - 045190

Type - Exhaust Slip-On/Muffler
Units Each
Weight 7.05 lbs

Fitment for FMF Q4 Spark Arrestor Muffler - 045190

See if this part fits your ride

Part 433959 fits the following machines

Polaris
  • 2010 Polaris Outlaw 450 MXR
  • 2009 Polaris Outlaw 450 MXR
  • 2008 Polaris Outlaw 450 MXR
  • 2010 Polaris Outlaw 525 S
  • 2009 Polaris Outlaw 525 S
  • 2008 Polaris Outlaw 525 S
  • 2008 Polaris Outlaw 525 S LE

Q4 Spark Arrestor Muffler - 041287

4 out of 20 reviews
Fitment:
Sound:
soft loud
A Little Loud
Finish:
Performance:


Fitment:
Sound:
soft loud
A Little Loud
Finish:
Performance:

Greatness

I installed this on my bike and it changed a lot I am thankful to have this muffler. It has helped improve my performance on the track. And I would recommend this part to others.

Review By:

from Arthurdale Wv

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Fitment:
Sound:
soft loud
Soft
Finish:
Performance:

Not the best looking exhaust

Yoshimura RS2 exhaust would not fit my 08 DR-Z 400sm called the Yosh factory and was advised they have had other problems with shipments from the facotory. They did not seem to be very sympathetic to my situation, they wanted me to send it back to them and they would send me one they said would fit, but wanted me to pay for shipping. Didn't sound like a very good deal to me so I Returned the Yoshimura to Dennis Kirk and replaced it with an FMF Q4. The FMF fit fine but the craftsmanship was a little disappointing the sticker and the strap that mounts the exhaust to the frame make the exhaust look cheap. It sounds great and I did notice a performance gain.

Review By:

from Souhern Illinois

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Sound:
soft loud
Loud

Great Pipe

Got this on my raptor 350 and it sounds awesome! Got a nice throaty sound to it and feels like it has a little more snap at the throttle. Great add on for and quad.

Review By:

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Fitment:
Finish:
Performance:

Went on really easily and creates a deeper tone without being obnoxious.

Review By:

from milford,mi

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Fitment:
Sound:
soft loud
A Little Loud
Finish:
Performance:

Quiet exhaust, somewhat

I don't think any exhaust is going to be super-quiet, without affecting performance. This is definitely more quiet than the White Brother E-Series exhaust it replaced. That one ran almost 100 dB. This one maxes out at 96 dB. It doesn't seem like a lot, but it is on the ears. I would recommend this for anyone looking for a quieter exhaust. Even though the stickers have foil on the back, on recommendations from other reviewers, I took them off before running it. Still looks cool.

Review By:

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Fitment:
Sound:
soft loud
Loud
Finish:
Performance:

Great add on

I bought the Q4 pipe for my 660 raptor, it really boosted the torque quite a bit. At idle it's not much louder than the stock pipe, but once u hit the throttle it starts barking pretty loud. I didn't have to rejet wich was a big plus. Installation was easy, it took about 20 mins. Not impressed with fmf sticker on it though. Overall its a great pipe, that produces considerable more power, I'd recommend it to anyone

Review By:

from Boston MA

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Fitment:
Sound:
soft loud
A Little Loud
Finish:
Performance:

Best purchase

Exactly what I had expecteded.Great sound and performance.Installation couldnt be easier.A must have.

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Fitment:
Sound:
soft loud
A Little Loud
Finish:
Performance:

Quiet Performance

Chose the Q4 since I had a hunch the Powercore would be too loud for residential and trail riding. Fitment was flawless, and it's not a loud as I thought it would be. Certainly less "barky" than the Powercores I've heard, with substantial increase in bottom end grunt. For those of you on the fence between this and Powercore, the Q4 is worth a few extra bucks if sound level is a concern.

Review By:

from Northeast Ohio

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Instructions and Manuals for FMF Q4 Spark Arrestor Muffler - 045190

Owner's Manual Owner's Manual PDF 230.7 KiB