It makes your engine sound like it lost oil pressure. If you pull up at a car show everybody looks at you like your head is half its normal size. Don't make enough difference to be worth the annoying sound.
1912 Model T Ford touring Salmon (ugh!)
1913 Model T Ford Touring original Black paint
1915 Model T Ford Roadster Black
1915 Model T Ford touring Black of course!
1967 Cougar GT 390 Cardinal Red / Black
1968 Cougar GTE 427 Augusta Green / Saddle
http://www.supermotors.net/vehicles/registry/15029/50071-2
