Thread: Dreadful drone
View Single Post
RarlyL8 RarlyL8 is offline
Crotchety Old Bastard
RarlyL8's Avatar
Join Date: Jan 2000
Location: Huntsville, AL
Posts: 13,563
My mufflers do not drone, I guarantee that. If we find this drone is caused by my muffler I'll refund the purchase price.

The muffler body is a straight through design with no baffles. The sound travels with the exhaust and does not bounce back or around. If some of the sound deadening material is removed the muffler will simply get louder. My hooligan mufflers have no sound deadening material at all with no hint of drone. I use a dual out hooligan for special occasions as it gives all the great turbo noises at 1/2 the volume of a zork.

It is mysterious that a drone has developed. Usually it is there from the beginning if it is going to occur at all.

RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 12-29-2009, 06:58 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #33 (permalink)