Getting muffler delete tmrw.. extremely nervous
Thread Starter
Racer
Joined: Sep 2017
Posts: 1,692
Likes: 382
From: nj
Getting muffler delete tmrw.. extremely nervous
Hey everyone, getting a muffler delete on my 2015 IS 250, at 19K miles right now.. I am worried that an issue won't arise with the car and Lexus will void the warranty for it. Can anyone give me some words of advice? Open to anything.
Intermediate
Joined: Mar 2017
Posts: 268
Likes: 32
From: CA
If you keep your mufflers after they chop it off, they can reweld them back on there if you decide to go back. Can't speak for voiding warranties as I'm already outside of warranty. I think the cost of a muffler delete and getting some nice tips to pair is just slightly cheaper than buying a new axleback setup that's on sale. If you're paranoid about warranty have you considered getting an aftermarket exhaust setup when it's on sale?
Thread Starter
Racer
Joined: Sep 2017
Posts: 1,692
Likes: 382
From: nj
I didn't end up going through with it yet, I posted this in the performance page but no one answered but I wanted to know about this:
I saw one post specifically about someone who lost a noticeable amount of low end torque after his/her muffler delete because there was a decrease in 'back pressure'. The IS 250 already has low torque so I don't want to install it and have to deal with this. The mechanic said that it strictly effects sound only. My friend also said that there are so many restrictions in the exhaust already (primary cats > secondary cats > resonators> mufflers) so there would instead have a no effect to a slight increase in performance. Can someone shed some light on this please?
I saw one post specifically about someone who lost a noticeable amount of low end torque after his/her muffler delete because there was a decrease in 'back pressure'. The IS 250 already has low torque so I don't want to install it and have to deal with this. The mechanic said that it strictly effects sound only. My friend also said that there are so many restrictions in the exhaust already (primary cats > secondary cats > resonators> mufflers) so there would instead have a no effect to a slight increase in performance. Can someone shed some light on this please?
Advanced
Joined: Aug 2015
Posts: 705
Likes: 160
From: Ontario
First off warranty, the only warranty that will be affected is the warranty on your exhaust. They can’t deny warranty on the whole car just because you modified the exhaust.
Secondly, deleting the mufflers will give you a severe drone. So think twice about it. Better to spend money on an engineered system that can be easily removed without special tools and equipment. You can always sell it and re coup some of your money if you don’t like it.
Secondly, deleting the mufflers will give you a severe drone. So think twice about it. Better to spend money on an engineered system that can be easily removed without special tools and equipment. You can always sell it and re coup some of your money if you don’t like it.
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Pole Position
Joined: Jun 2017
Posts: 201
Likes: 13
From: TX
Get what ever exhaust you want up to and including a full delete. Don’t let them chop anything though. Unbolt your factory gear. They can bend pipes and weld a flang to it if they have any idea what they are doing. If it’s to loud or has to much of a drone you can swap back.
Lead Lap
Joined: Nov 2001
Posts: 4,588
Likes: 94
From: CA, Mid OC
So, this.
If you mess with the exhaust and the car is under warranty, it's probable that your claim will be denied. I have RSR Down springs and 19" wheels and I think they would deny a warranty item if it happened to be related to suspension. I don't think they could deny much else, but some dealers adhere pretty strictly to the car needing to be just as it rolled off the lot for there to be any legitimate warranty issue.
I don't think a V6 is a great engine as far as sound goes. Most V8s are pretty good, but even the NSX V6 sounds kind of crappy with modified exhaust. I've owned both the 2.5 V6 and the 3.5 V6 and would not modify the exhaust on either. I think both sound fine from the factory and they don't have the drone of the Nissan/Infiniti V6. I certainly wouldn't want it any louder, but I am 47. I still think the modification you're suggesting will cause warranty problems and I don't see the point of it.
If you mess with the exhaust and the car is under warranty, it's probable that your claim will be denied. I have RSR Down springs and 19" wheels and I think they would deny a warranty item if it happened to be related to suspension. I don't think they could deny much else, but some dealers adhere pretty strictly to the car needing to be just as it rolled off the lot for there to be any legitimate warranty issue.
I don't think a V6 is a great engine as far as sound goes. Most V8s are pretty good, but even the NSX V6 sounds kind of crappy with modified exhaust. I've owned both the 2.5 V6 and the 3.5 V6 and would not modify the exhaust on either. I think both sound fine from the factory and they don't have the drone of the Nissan/Infiniti V6. I certainly wouldn't want it any louder, but I am 47. I still think the modification you're suggesting will cause warranty problems and I don't see the point of it.
Instructor
Joined: Dec 2016
Posts: 1,015
Likes: 78
From: Ontario
I didn't end up going through with it yet, I posted this in the performance page but no one answered but I wanted to know about this:
I saw one post specifically about someone who lost a noticeable amount of low end torque after his/her muffler delete because there was a decrease in 'back pressure'. The IS 250 already has low torque so I don't want to install it and have to deal with this. The mechanic said that it strictly effects sound only. My friend also said that there are so many restrictions in the exhaust already (primary cats > secondary cats > resonators> mufflers) so there would instead have a no effect to a slight increase in performance. Can someone shed some light on this please?
I saw one post specifically about someone who lost a noticeable amount of low end torque after his/her muffler delete because there was a decrease in 'back pressure'. The IS 250 already has low torque so I don't want to install it and have to deal with this. The mechanic said that it strictly effects sound only. My friend also said that there are so many restrictions in the exhaust already (primary cats > secondary cats > resonators> mufflers) so there would instead have a no effect to a slight increase in performance. Can someone shed some light on this please?
, the sound will be same as V10 lol LC500 or V8 Mustang GT
