Bumping up this thread coz I'm embarking on my own mod adventure tomorrow. Gonna be removing parts 7 and 9 only. Any idea if that is gonna throw off the check engine light? Hate to see that little symbol light up on the dash. Thats my ocd kicking in.

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I removed resonator 7, the big one underneath the truck, on my previous '08 HSE and while it sounded good it DID drone on the highway, specifically around 70 mph if I remember correctly. I could shift it down a gear or drive slower to eliminate it, but it was there. It eventually bothered me so much that I put the resonator back on.

From what I've read, putting an x-pape in it's place would eliminate the drone and some of the backfire that goes with it. I had the resonator replaced with straight pipes before switching back.

Also, you won't get any kind of dashboard lights if you remove the resonator.

 

Thanks buddy! That was a quick reply!

Has anyone attempted to remove part 9 as well?

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About to do this on a 5.0 SC - so is the verdict remove 7 and must do the x-pipe to cut down or prevent backfire?

 

taking it to get this done, really need to know if the x pipe is a must for it to run right not backfire, does it enhance sound etc?

 

Do it. I'm considering the same. What's the worst that can happen? ��

 

Oh I'm doing it just need to know if x-pipe is a must to prevent backfiring or if you can straight pipe it on a 2012 RRS SC

 

I'm still debating if I should do this to my 2011 Non Supercharged. Really don't want any sort or drone. I really want to hear a sound clip.


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Removed 7 and straight piped, sounds great! Does backfire a little when jumping off the throttle from being under load.. but it's not too bad.. if you're gentle on the throttle you don't really hear any of it.. Great mod

 

Now if you really want to step your game up and get maximum gains get some quality exhaust tips

 

Kitty Power


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No has a sound clip to share. Guess I'll have to invest the $70-$100 to remove mines.


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There are a few sound clips owners have posted in previous posts. Sounds pretty good

 

Just got this done - WHOA. Sounds like a proper V8 should sound. For comparison, i'd compare it to how an ML63 AMG sounds, complete with the crackling/popping sound when releasing the foot off the accelerator after the heavy grumble.

Resonator was removed and a (custom, my Indy didn't have any on hand) straight pipe was put in place. $300CAD, but well worth it.

And, no drone unless >2500RPM.

 

Would really like to hear it on the Non-Supercharged RRS.


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I just did a little video last night from inside the cabin with removed resonator and open window, sounds beautiful https://youtu.be/vrQw3ATjeDQ

 

I just did a little video last night from inside the cabin with removed resonator and open window, sounds beautiful https://youtu.be/vrQw3ATjeDQ

Did you notice any loss of low end torque? Having removed my #7 resonator, I seem to have lost some low end torque solely according to feel, not any calculated info.

 

Hey guys, wanted to update this thread with a video I made for you guys. Unfortunately, I got off on the wrong foot with some of you on the forum and came off as spammy. I apologize once again and want to move forward in a more beneficial and helpful way. So I'd like to share this video of my 2012 Range Rover Sport HSE to highlight the #7 delete. It sounds amazing to me and for those considering the mod, I hope this video helps! I burned through a lot of gas putting this together for you guys but at least I had a huge smile on my face throughout. Feel free to ask me any questions regarding the mod, I would be more than happy to help!
Video starts out with startup, then interior sound then exterior sound. I will also be making another video reviewing the mod, giving my opinions on it, how it is living with it, likes and dislikes, etc. in the future. For those who would rather hear the car and not me, this one is for you! (The driving becomes more spirited as the video goes on!)

https://youtu.be/8eMYKJBGPaE

 

With all things considered, that's actually loud. Did you have an external mic suctioned out in the rear of the vehicle? Sounds good though.

 

It is pretty loud. I can definitely see why some people would not want it that loud. I however, like it. There was no external mic from the video. For the interior part, I mounted my camera on the sunroof glass and the sound came from it's internal mic. And for the outside part, the camera was mounted on the rear windshield, outside the car.

 

im getting a muffler delete and resonantor delete adding a magnaflow muffler with 18" pipe and tips for $500.. had it done on a 2010 RRS now getting done on 2012 RRS its the perfect sound and not too loud

 

After having the resonator delete and the 2 rear mufflera deleted.. I recommend leaving the 2 rear mufflers.. I have a very noticeable drone right around 40-55 mph. I think leaving those 2 rear mufflers would nullify that but still give you the sound from acceleration that you are looking for..

 

I agree. I ended up going back and having two resonators added where the main muffler was. Love the end result.

 

Have most users on here just gone straight pipe where the resonator was?

 

Good question. It's been a while since i have read some of these posts. Take a look through this whole post. It may have some answers. Also do a search to see if other posts have input.

 

I had straight pipes put in place of the #7 resonator.

Here's my rig:
https://www.youtube.com/watch?v=8eMYKJBGPaE

 

430 . That sounds great man. Do you experience any drone around 40-55mph? Also what did you do with the two dual mufflers before the tips?

My exhaust guy removed #7 and put in a magnaflow and I have straight piping all the way to the tips..

 

I think most people on here.. from going back a few pages on this thread.. they removed #7 and went straight pipes and kept the 2 small mufflers just before the tips and added nice tips..

 

Thanks! No drone at all.

Just put straight piping in place of #7 resonator and left everything else as is.

 

After having this mod done for a while and loving the sound. I think I will try and tinker with the system a bit more. I removed the #7 resonator and put two straight pipes in place. I think I loss some low end torque but gained some power in the top end (butt dyno). This is probably because there was some exhaust scavenging due to the #7 resonator that I lost when I eliminated it. Since I prefer the power lower down rather than higher up, I will probably try and put an x pipe where the two straight pipes are to achieve some more exhaust scavenging.