Hey,

I just got a new rear muffler installed. I got a Lukey LR2779 bolt on after hearing everyone on this forums rave about them. I just want to say thanks for the tips and I am really happy with it. You gotta love that Lukey growl.

I also got a Bosal Brospeed tip for it. Not too ricey, I hope.

Here are a couple of pics.

Cheers.

ppops1984.

nice work mate. looks pretty schmick :)

So, do the bolt on and weld on share the same product number?

So, do the bolt on and weld on share the same product number? :lol: :lol: :lol:

(they shouldn't... i thought the bolt on was AR-???? but lets not start that here!!!)

I thought the bolt on was AL4-???? :lol:

I went to The Muffler Man in Prahan and I didn't even ask for the LR2779.

I just said I wanted a bolt on Lukey straight through muffler and he said he had a LR2779, which is what I wanted.

I dunno, could be wrong.

I'm happy nethertheless. :)

ppops1984.

Looks cool!

How much it cost all up?

I went to The Muffler Man in Prahan and I didn't even ask for the LR2779.

I just said I wanted a bolt on Lukey straight through muffler and he said he had a LR2779, which is what I wanted.

I dunno, could be wrong.

I'm happy nethertheless. :)

ppops1984.yeah, no it looks good... havent got any pics of the actual muffler have you? :oops:

The muffler fitted was $180, and the Bosal tip was about $60 I think.
So all up around $240.

Here are some pics of the actual muffler itself.

ppops1984.

thats not cool.... cause thats the one that most of us say isnt the LR2779 :? :? :? i going to ring lukey!!!! bastards giving us a shit fight!!!

i'm going to get to the bottom of this!!!! :x

Mine is the bolt on Lukey and actualy has Lukey stamped on the underneath. The outlet pipe is central. The reason we get them is because they are straight-through and reduce the exhaust back-pressure to improve engine power. The bolted flange is just above and foward of the rear wheel strut/brace. Check whether yours still has this joining flange with 2 or 3 bolts holding it together, on the inlet pipe about 30cms from the muffler, or the pipes have been welded together. If there is a weld instead of a flange, you aint got the bolt-on. See my type number below.
All the best...

It's definatley a bolt-on. I watched him install it.

Yeah, it's weird how it has Lukey stamped on the top where it will never be seen.

Let me know the outcome dingo, when you ring Lukey.

Thanks.


ppops1984.

Uhh.. I think he may have bolted it the wrong way or something.. maybe I'm wrong.. someone correct me if i'm wrong.. but Lukey shows facing the bottom doesnt it?

SuFz :badgrin:

yeah thats not the LR2779...The actual LR is twice as big as that...
I think i have the same one as you..

Im going to ask a guy from work.

We stock walker/lukey products and so I'll ask him if he knows for sure.

Uhh.. I think he may have bolted it the wrong way or something.. maybe I'm wrong.. someone correct me if i'm wrong.. but Lukey shows facing the bottom doesnt it?

SuFz :badgrin:

Is this true? Can someone conirm this?

I don't think it would have fit the other way though.

Would it affect the way the it works if it was the wrong way?


ppops1984.

Well, here's mine. It exits in the middle an enters to one side. Lukey is stamped on the bottom. It's supposed to be the AL4-5597 which is a bolt on. The muffler itself is way shorter than the other Lukey ones.

I have a LR2779 and it's not the same as that one. Mine's about the same size as the original stock one. (bigger than redav's)

i am pretty sure that redav's is the bolt on AL$-5597 for the magna... that is the exact one i got .... and i quoted the model number when i got mine.....

and yes being a straight thru means having the 'hole' in the centre.

Hey guys,

Well when I heard all the dramas regarding my muffler I decided to email Lukey and see what they thought.

This is the reply I got back:



G'day Paul
Thanks for your email. The LR2779 is an offset offset muffler. The tail pipe should be on the right hand side. The mufflers do have the stamp on either side. I will check out the link you sent me and try and get to the bottom of it.
Thank You
David Atherton
Tenneco Automotive Tech Services



So I don't know why some ppl have different LR2779s but mine is a LR2779 according to this guy.

Cheers guys.


ppops1984.

Opps sorry guys, looks like I was wrong :oops: I just recieved a second email, totally contradicting the first email I got.

Here it is:

G'day Paul
The information I gave was incorrect. The LR2779 does have a centre tail pipe. I have the technical drawings in front off me, the AL4-5711 bolt on has the tail pipe on the r/hand side it is a straight through muffler. The LR2779 can be used on both models as a cut in. The LR2779 is not used in the AL4-5597.
Thank You
David Atherton
Tenneco Automotive Tech Services


Looks like I have a AL4-5711 bolt on. Doesn't worry me. :D


ppops1984.

yeah, i have emailed them too... it was too late once i tried to ring :? .... my email server has crashed (its the uni one) so i can't find out if any replies yet....

interesting about the AR4-5597 though... i wonder if the LR2779 is used in any bolt on?? he didn't say there, i'll post my reply as soon as my email comes back!

G'day Alaster
Thanks for your email. The drawings in our catalogue is a guide only, they are not always accurate. The LR2779 is centre offset, the centre to the rear. The AL4-5597 uses the LR2779, it is a straight through muffler. The AL4-5711 uses an offset offset muffler not the LR2779 it is also straight through. You can use the LR2779 on both models as a cut in . The AL4-5597 and AL4-5711 are not interchangeable due to different bracket locations.

Thank You
David Atherton
Tenneco Automotive Tech Services


from this and popps' emails i reckon some dealers/exhaust specialist have been getting they're #'s wrong!!! the LR2779 is clearly a centre-offset, not a offset-offset.... well that clears that up then, yey!

Is their any point to gettin a LR2779 or a magnaflow muffler to replace the one of the TJ sports? You wouldnt get any more performance it would be purely for sound wouldnt it?

If you already have a newer sports/VRX with a single exhaust pipe, then I wouldn't expect any noticable difference unless you've got a lot of mods upstream!

tip top stuff dingo, good to see someone dedicated to their research and not pulling model numbers edgeways from sunday :D.

So after all is said and done, which muffler should i be going to my local exhaust shop and asking for to put on my TJ Ralliart ??

So after all is said and done, which muffler should i be going to my local exhaust shop and asking for to put on my TJ Ralliart ??

Chances are the Ralliart muffler is a Walker, (aka Lukey), unit so swapping to one of these probably wouldn't see a gain. However it would be an interesting test. I've had a genuine VR-X muffler offered to me so next dyno day, I'll do another two runs to compare them. If there was a difference, I'd suspect my shorter bolt on might be slightly better than the longer one. Not positive though. As the VR-X is probably the same as the longer Lukey then I'd expect these power runs might identify a difference.

[quote:19d5faed1e="Ralliart Boy"]So after all is said and done, which muffler should i be going to my local exhaust shop and asking for to put on my TJ Ralliart ??

Chances are the Ralliart muffler is a Walker, (aka Lukey), unit so swapping to one of these probably wouldn't see a gain. However it would be an interesting test. I've had a genuine VR-X muffler offered to me so next dyno day, I'll do another two runs to compare them. If there was a difference, I'd suspect my shorter bolt on might be slightly better than the longer one. Not positive though. As the VR-X is probably the same as the longer Lukey then I'd expect these power runs might identify a difference.[/quote:19d5faed1e]there should be no power difference between different straight through mufflers. The VRX/sports/Ralliart mufflers are similar to the LR2779 (i heard the former are smaller) and are all made by lukey as OEM to MMAL... the only difference between straight through mufflers is the sound.... and Ralliart Boy... that will be the only change you'll get if you change, no performance gain :?

there should be no power difference between different straight through mufflers.

Well, that's something I'm going to test. Someone has offered me their VR-X muffler. Next dyno day I'll do a swap.

Well this is the email I got from Lukey today....

Chris
Can you please correct the information on the Web site. The AL4-5597 is NOT a cat back system. It is a Rear section only it bolts up over the rear axle beam to a three bolt flange.
The LR2779 has no pipe work on it at all, it is the muffler used in the AL4-5597. The AL4-5711 is also a rear section only, it also uses a ultra flo muffler.

Thank You
David Atherton
Tenneco Automotive Tech Services

So, are we able to correctly identify photos of the mufflers yet? Can someone do so?

What is the email address for the guy at Lukey/Walker that you guys correspond with ??

I am keen to know whether there is any benefit at all by bolting on a AL4-5597 onto my Ralliart.

I am keen to know whether there is any benefit at all by bolting on a AL4-5597 onto my Ralliart.

Well, Autospeed said that the VR-X exhaust is basically the same as the Ralliart exhaust so I'd doubt it.

What is the email address for the guy at Lukey/Walker that you guys correspond with ??

The guys name from Lukey is David Atherton. His email address is David.Atherton@tenneco.com.au

Thanks, ill drop him an email but it looks as though there is no point of putting this system on my Ralliart.

By the way, what tip do you get with the muffler ??

Does it look alright ??

Thanks, ill drop him an email but it looks as though there is no point of putting this system on my Ralliart.

By the way, what tip do you get with the muffler ??

Does it look alright ??

I got a Bosal Brospeed tip. I like it looks okay. Not overly big.

Here's a couple of pics for ya. :dancin:

Did that tip come with the muffler ??

I mean if i order the muffler, what tip comes with it or do i need to purchase my own ??

u need to get a tip, which u can buy yourself, or from the exhaust shop where yur getting it fitted.

I put the Lukey bolt on system on the Ralliart today and i must say that there is absolutely no difference in power or sound from the original ralliart exhaust.

I dont understand this.

I listened to the "Lukey Growl" on their website and took note of the comments on this forum.

But, yet, no difference whatsoever.

I will be reverting back to the original system.

Looks better and not worth the insurance hassles of having an aftermarket exhaust if it doesnt do anything.

maybe that is because the Ralliart already has a sports exhaust / muffler fitted.....

Still, you would expect some sort of difference, even be it just noise.

I mean the Ralliart original system has a nice tone to it but nothing like what was on the Lukey website under the "Lukey Growl".

How can a Ralliart 3.5 sounds so quiet compared to any other Magna 3.5 ??

The Magna on the "Lukey Growl" site was fairly loud, mine is nothing like that with the same exhaust fitted.

Also, i notcied when the car was up on the hoist that the Ralliart has two mufflers, two silencers and a cat.

Is this normal for all 3.5 Magnas or is this the reason why mine wont growl ??

Also, i notcied when the car was up on the hoist that the Ralliart has two mufflers, two silencers and a cat.

Yeah? I know it goes headers -> resonator -> hot dog -> muffler on my car.

A couple of people have commented on how my car is pretty loud now :(