Exhaust Drone
#36
Instructor
iTrader: (3)
my LS is straight piped as well, custom 2.25 in. piping from the cat back but i left my stock mufflers intact for this purpose (to reduce drone). all three resonators were removed for mine.
you can hear some slight drone in the 2k rpm range but other than that it pretty much sounds stock unless you get on it. idk how the early model (90-94) LS' exhaust layout is, but the rear muffler section where it splits, there should be a clamp on both sides in which you can loosen and then remove the mufflers if you wanted to ever do the muffler delete (it's pretty damn loud and i've driven around without the rear mufflers and i'm surprised i still haven't got pulled over for it *knock on wood*).. anyways, that's the route you should've took in the first place to avoid major drone.
but like everyone else is saying, your best bet to reduce the drone is to slap on a pair of mufflers where the stock mufflers used to be (in your case, gone, since you had it straight piped).
you can hear some slight drone in the 2k rpm range but other than that it pretty much sounds stock unless you get on it. idk how the early model (90-94) LS' exhaust layout is, but the rear muffler section where it splits, there should be a clamp on both sides in which you can loosen and then remove the mufflers if you wanted to ever do the muffler delete (it's pretty damn loud and i've driven around without the rear mufflers and i'm surprised i still haven't got pulled over for it *knock on wood*).. anyways, that's the route you should've took in the first place to avoid major drone.
but like everyone else is saying, your best bet to reduce the drone is to slap on a pair of mufflers where the stock mufflers used to be (in your case, gone, since you had it straight piped).
#37
my LS is straight piped as well, custom 2.25 in. piping from the cat back but i left my stock mufflers intact for this purpose (to reduce drone). all three resonators were removed for mine.
you can hear some slight drone in the 2k rpm range but other than that it pretty much sounds stock unless you get on it. idk how the early model (90-94) LS' exhaust layout is, but the rear muffler section where it splits, there should be a clamp on both sides in which you can loosen and then remove the mufflers if you wanted to ever do the muffler delete (it's pretty damn loud and i've driven around without the rear mufflers and i'm surprised i still haven't got pulled over for it *knock on wood*).. anyways, that's the route you should've took in the first place to avoid major drone.
but like everyone else is saying, your best bet to reduce the drone is to slap on a pair of mufflers where the stock mufflers used to be (in your case, gone, since you had it straight piped).
you can hear some slight drone in the 2k rpm range but other than that it pretty much sounds stock unless you get on it. idk how the early model (90-94) LS' exhaust layout is, but the rear muffler section where it splits, there should be a clamp on both sides in which you can loosen and then remove the mufflers if you wanted to ever do the muffler delete (it's pretty damn loud and i've driven around without the rear mufflers and i'm surprised i still haven't got pulled over for it *knock on wood*).. anyways, that's the route you should've took in the first place to avoid major drone.
but like everyone else is saying, your best bet to reduce the drone is to slap on a pair of mufflers where the stock mufflers used to be (in your case, gone, since you had it straight piped).
Looks like i'm getting Pypes M80s! mustang wheels first, then mustang exhaust, lols. LStang400 basically
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GiantsFan (08-01-17)
#38
Exhaust Drone when removing all mufflers
Has anyone removed all the mufflers after the resonator. If so is there a sound clip? and how is the drone?
Currently I have removed the rear two mufflers and the initial start sounds decent but i know it needs more. I will be doing a full custom setup down the road but for now I was wondering if removing the "pre-mufflers" on top of removing the rear mufflers would make it sound any better and louder?
thanks!
Currently I have removed the rear two mufflers and the initial start sounds decent but i know it needs more. I will be doing a full custom setup down the road but for now I was wondering if removing the "pre-mufflers" on top of removing the rear mufflers would make it sound any better and louder?
thanks!
#39
Super Moderator
iTrader: (6)
This thread discusses the various results from exhaust mods:
https://www.clublexus.com/forums/ls4...o-talk-in.html
https://www.clublexus.com/forums/ls4...o-talk-in.html
#40
The car sounds great but there is A LOT of drone. Not to mention there was a lot of rattles coming from inside and outside (most likely heatshields) the car. Here's a video clip of me accelerating at around 1/4 throttle; it was unbearably loud inside and I put the mufflers back on first thing the next day.
https://www.youtube.com/watch?v=Opi_...ature=youtu.be
https://www.youtube.com/watch?v=Opi_...ature=youtu.be
#41
thanks for the info. I guess I will keep my system as is and will remove the pre-mufflers and after the resonator add a Y pipe and straight to the rear and add some magnaflows. im still not sure if i want to do a 2.5in pipe or 2.25in pipe. also I see many various magnaflow part numbers. is there a particular one to use for our cars. I will be adding my own tips, so I know i dont want any with a tip on them.
is there any difference in noise or drone if I replace the pre mufflers with magnaflows vs places the mufflers in the rear by the bumper?
thanks!
is there any difference in noise or drone if I replace the pre mufflers with magnaflows vs places the mufflers in the rear by the bumper?
thanks!
#42
Placing the mufflers further near the bumper should reduce the amount of noise you hear inside the cabin; I'll be doing this sometime in the future with a new Y pipe and two mufflers by the bumpers. As for part numbers, I'm not too certain. I've seen some videos on YouTube but as you know, exhaust clips aren't 100% accurate when recorded than in person.
#43
Placing the mufflers further near the bumper should reduce the amount of noise you hear inside the cabin; I'll be doing this sometime in the future with a new Y pipe and two mufflers by the bumpers. As for part numbers, I'm not too certain. I've seen some videos on YouTube but as you know, exhaust clips aren't 100% accurate when recorded than in person.
Magnaflow 11365 would fit nicely in that spot.
I wish I knew what setup he has, cause this sounds perfect.
#44
got some new exhaust parts in. hopefully installing them tonight! 2 magnaflow mufflers and an x-pipe.
Lawson Industries 66922 Stainless Steel X-Pipe
Magnaflow 11225 Satin Stainless Steel 2.25" Oval Muffler
Lawson Industries 66922 Stainless Steel X-Pipe
Magnaflow 11225 Satin Stainless Steel 2.25" Oval Muffler