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e36 m3 exhaust sound (no cats)

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Uploaded by on Sep 1, 2008

my e36 M3 with no cats and a dinan muffler

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Autos & Vehicles

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  • likes, 8 dislikes

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  • @neillmckinley i think is takes about 10 hp of the car removeing the cats

  • @neillmckinley yes you can beat a six cylinder sound, with an eight.

  • Sounds good.Takin the cat out makes it way more raspy ya can also get it to pop flames.I found it reduces low down power a bit but revs easier and fuel consumtion  goes up a bit.Ya cnt beat 6 cylinder sound!!

  • actually...cats arent as restrictive as you may think. but you are correct. there would be pretty much no hp gain...unless your cats were clogged.....

  • When i replaced mine i got a deeper and lil louder sound. Some people say removing cats makes it get raspy.

  • its raining...

  • Taking the cats out just means the system will not sound good anymore, it will be very harsh and crackle (in a bad way).

  • Yes, it does make a difference in noise. Having no cats to restrict the flow does affect the sound as you can tell in this video.

    Power-wise, you *might* get a non-noticeable gain (read: 2-3 brake horsepower), if any at all since the engine doesn't have to work as hard to push the exhaust gases through the pipes, so basically, you're freeing up a bit of power that the car already possesses that would've been robbed had he kept the cats on.

    Damn, that was one hell of a run-on sentence.

  • does removing the cats make a diffrence in noise and power?

  • did you keep the resonators on? what kind of muffler are you using?

    very nice sound a little raspier then mine i just took the cats and rezos off kept the stock muffler....

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