What makes the kind of "purring" noise that comes out of a 4 wheeler?

Question:
I have always wondered what makes the kind of "purring" noise that comes out of the exhaust and how come cars don't?

Answers:

StrobeLights 4 my Atv??

don't look now but the motor is running

---

How much would I pay for motorcycle insurance in Hawaii?

it is possibly the spark arrester in the exhaust can.

---

Is a yamaha grizzly 660 cylinder head interchangeable with yamaha 660 raptor?

does it come and go?a lot(mine included)make a "purring" sound when in 4 wheel drive at speed. Does it
go away in 2 wheel drive?

---

More Questions & Answers ...

Does someone know the web address for S+S ?

Wanted Suzuki GSXR 250 parts ( anything considered )?

i need parts for a 1994 harley davidson perferabliy chrome?

whats the best bike?

self maintanence of my tvs apache?

What is this cc they are referring in a motorcycle?

honda crf150r maintenance?

what do you mean by "BHP" as it associated with motorcycle/car engine spcification?

How much weight can a Yamaha YZ80 handle?

how much does a bajaj avenger cost on road in India (bangalore)?

This article contents is post by this website user, CarQnA.com doesn't promise its accuracy.