Ok gang, many of you know I have tried about 10 different combinations of stock exhaust configuration with and without resonator 1, 2 etc, with my Mina rear muffler and without resonator 1, 2 etc.

Well the one thing I had not tried which I have done with many of my other cars is just loosing the muffler and replacing with straight pipe. Sounds quite nasty! No drone below 2k with the 2 factory resonators in place. Just a bit of drone in some gears around 2k but not any worse than the Quicksilver car I rode in.

Cost would be about $400 for custom piping and high-end tips about $80 each.

So according to my exhaust R&D experimenting the options are:

1) Stock which has a slightly good sound. But you can barely enjoy it from inside the car. Too quiet for me.
Cost: Free

2) Mina Gallery Muffler - Slightly louder than stock and with a more "pedigreed" sound. Less blap, blap and more high end sound like Aston or something. NO DRONE at all. Looks MUCH better than stock; the looks alone almost worth $. Great metal work tips are integrated and look awesome. The inner edge of them don't show as with almost all tips
Cost: $1200 new (or $600 for mine).

3) Stock or Mina muffler without the two resonators in the middle - replaced with straight pipe. Sounds raw, aggressive, snaps crackle and pops. Some drone drone.
Cost: $100
Cost: with x-pipe $150. Less drone I believe and tames the sound to a more mellifluous sound which sounds more complex and F1 like from inside.

4) Keep stock resonators in place and loose the rear muffler replacing with straight pipes and tips. Awesome sound. Very raw, snaps crackls and pops more than a gigantic bowl of Rice Krispies! Great overrun. I just about never listen to the radio now. The volume is high giving the car great presence. More drone than stock or the Mina exhaust but if you have had exhausts on performance cars before it will not be too much.
Cost: $400

Hope this helps!

Below are some clips of full muffler delete:

 

Its a badass noise, I like it.

 

sorry for the double post. well if i need to change the silencer if it is broken or something vibrating inside i can always do this...

 

1000x yes!! That sounds amazing!

That sounds much smoother than I would have imagined.

 

Dang. Why'd they even put mufflers on these cars to begin with? It's already kinda quiet without the muffler!

 

If you want to get a sense of how "not quiet" it is look at the last clip and remember that the camera woman is actually in another car. Sometimes you forget that the clip is not from within the car itself.

That is quite loud for someone else to experience as you only moderately get on the throttle! Also keep in mind it is much louder in person than in the clips!

 

Well, I guess when I said "kinda quiet", I meant at low acceleration rates and at idle.

 

Great idea! It is basically the Quicksilver set-up but at 1/5th the price, any tips you like and all the noise! Plus you said less drone... Perfect!

I think I'll go this route sinceI would like larger tips. I'm just afraid it may get too loud with the Milltek Cats that have upped the volume a lot already.

Thanks Evoking!

 

Great noise! How the heck does one deal with state inspection without mufflers??

 

Evoking, another great post! I'm predisposed to 'Cat' analogies with our XKR's, but damned if @ 1:56 of your second video doesn't sound like a SERIOUSLY angry tiger/lion...

Much as I love the notion of having a 'gentleman's' car with exhaust from hell, I admit that I can't get enough of the active (stock) XKR exhaust. Soooo quiet when I'm trying to be low-key or shuttle a family member around. Then the switch to dyno mode and a romp on the throttle... A thing of beauty. Especially in tunnels/canyons. Windows down, RPM UP!

Skeeter

 

I think my dear old grandpa would **** his pants if he heard that coming up behind him.

 

I did this about 6 months ago. I like it but its not for the faint at heart. Definitely a attention grabber!
Best $275 I spent!! LOL

 

Great thread! And love evoking's dedication to finding the perfect sound for the xkr.

I just picked up a 2010 black on black xkr convertible and I love it! I only wish it were louder but still classy and refined.

Evoking: I may hit you up regarding the mina exhaust. Still researching. Too new to pm but would love to touch base with you!

 

Evoking - have you tried to record the decibels inside the car at various speeds/acceleration?

There might be apps for the iPhone or Android phone that allow this...would be curious to know what your straight pipes with resonators sounds like with normal and spirited driving.

 

Sounds absolutely awsome... Thums up...

Do you have any pictures of the actual modifications? I e. under the car?

 

Are you selling your Mina exhaust?

 

Also... do you have dual or single wall tips on your exhaust?

 

I'm a big fan of the Mina exhaust. Looks great, sounds great.

 

So this is dumb. How do you "delete" the muffler? What do you replace it with, and are the parts bolt on are do they have to be custom made?

 

Question...

What will you do with the MOT inspection? Wont the car fail..?

In theroy, it should also fail with the Paramount system, since that too it bacially just one long straight pipe.??