FishtailnZ

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After sitting in the garage for a couple months (procrastination is a right! ) I finally got around to getting it installed today. Brought it to a specialty hot rod shop (who do excellent one off full custom exhaust work for everything from stock resto projects to full on rail drag cars) for install, and about an hour later I was on my way. Part #10791 is not completely plug and play, they had to do a little bit of fab work to make it fit, but in the end it came out looking factory stock and I'm more than happy with the result there. Along with the new exhaust note! At idle or part throttle it really is hard to notice, but at WOT there is certainly a deeper, harder edged V8 bellow now than before. But again, nothing objectionable at all IMO - no raspiness, just the sound of a healthy V8 engine working hard.

So if you're wondering about doing this mod, and may be worrying about the new sound level being a bit objectionable - don't. 90% of the time you probably won't even notice it, and the other 10% you'll just be smiling a new ear to ear grin!

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- Bill

2006 SLK55 Caspian Blue/Beige
Stock 1/4 mile results: ET 12.72, trap 110.80, 60' 1.90

O.Z. Ultraleggeras, Magnaflow X-pipe, E55K Airbox, Windrestrictor.

Some guys they just give up living and start dying little by little, piece by piece. Some guys come home from work and wash up and go racin' in the street... - B. Springsteen



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alroumi

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Welcome to the LOUD family, congratulations on your latest modification. With the topdown I am sure it will make your grin from ear to ear.

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06 Kleemann Designo Mocha Black SLK55 AMG
06 Porsche Cayenne S
07 Jaguar XKR Coupe'

I use the Torque and keep the HP for my Steak Sauce!

FishtailnZ

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Thanks Mohammed!

P.S. weight savings is about 7 lbs over stock. Pic of the Magnaflow X - stainless steel, 2.5" i/o diameter

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- Bill

2006 SLK55 Caspian Blue/Beige
Stock 1/4 mile results: ET 12.72, trap 110.80, 60' 1.90

O.Z. Ultraleggeras, Magnaflow X-pipe, E55K Airbox, Windrestrictor.

Some guys they just give up living and start dying little by little, piece by piece. Some guys come home from work and wash up and go racin' in the street... - B. Springsteen



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nmslk

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Any picks of the installed unit? I'm looking to do the exact same thing. I'm glad to see the part# as well in the post to confirm what I need.

Thanks tons!
-nmslk

alroumi

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That is great, any weight savings is terrific. By the way I just notice mine is larger http://www.slkworld.com/attachments/...o-dsc00407.jpg

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06 Kleemann Designo Mocha Black SLK55 AMG
06 Porsche Cayenne S
07 Jaguar XKR Coupe'

I use the Torque and keep the HP for my Steak Sauce!

nmslk

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Alroumi, you have Supersprint though right; which was designed for the SLK at a much higher $$$. The Magnaflow is a universal piece most often used in Mustangs.
Ultimately I'd love to have an Xpipe cat back system that bolts ups rather then cutting out just the resonator. I would want to be able to put things back to OEM but not for the extra $$ that Supersprint or other charge.

-nmslk

FishtailnZ

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Forgot to take the damn camera, so no installing/installed pics nmslk, sorry. To sum up, the Magnaflow piece is just a touch short overall to fit precisely the gap left by removing the resonator, so the guy welded on a couple small sections of stainless pipe to one end to close the gap. He also used a pipe stretcher to massage the stock pipe ends to snug them up to the Magnaflow piece. Then welded the whole shebang together - nice and tidy with no leaks and factory appearance.

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- Bill

2006 SLK55 Caspian Blue/Beige
Stock 1/4 mile results: ET 12.72, trap 110.80, 60' 1.90

O.Z. Ultraleggeras, Magnaflow X-pipe, E55K Airbox, Windrestrictor.

Some guys they just give up living and start dying little by little, piece by piece. Some guys come home from work and wash up and go racin' in the street... - B. Springsteen



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FishtailnZ

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Yup, any weight savings is a good thing! Like nmslk explained, the SS item is specifically designed for the SLK55, while the Magnaflow is a parts bin item for anyone fabbing up an exhaust - luckily, with some very minor modifications, it fits our cars too. And weighs a mere 2 lbs!

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- Bill

2006 SLK55 Caspian Blue/Beige
Stock 1/4 mile results: ET 12.72, trap 110.80, 60' 1.90

O.Z. Ultraleggeras, Magnaflow X-pipe, E55K Airbox, Windrestrictor.

Some guys they just give up living and start dying little by little, piece by piece. Some guys come home from work and wash up and go racin' in the street... - B. Springsteen



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alroumi

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Good luck Bill, glad you found and installed the X pipe. You were quiet reluctant at first when you got to listen to mine, Dsb's, Lizard and Cj's.

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06 Kleemann Designo Mocha Black SLK55 AMG
06 Porsche Cayenne S
07 Jaguar XKR Coupe'

I use the Torque and keep the HP for my Steak Sauce!

FishtailnZ

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I really don't think some of the x-pipe only recordings do the change justice Mohammed, so I was a bit wary. But since I already had the dang thing and I was tired of tripping over it... and it was a slow day...*L*

Glad I did, it sounds MUCH better in reality! It really isn't loud at all, just sounds "healthier" if that makes sense *L*.

__________________
- Bill

2006 SLK55 Caspian Blue/Beige
Stock 1/4 mile results: ET 12.72, trap 110.80, 60' 1.90

O.Z. Ultraleggeras, Magnaflow X-pipe, E55K Airbox, Windrestrictor.

Some guys they just give up living and start dying little by little, piece by piece. Some guys come home from work and wash up and go racin' in the street... - B. Springsteen



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alroumi

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Keep the car in m-mode and whilst in third gear just loosen up the taps and let it hit around 6,000 rpm then let go. You might here a very nice burble or sort of back fire which just makes my day even better, especially with the topdown.

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06 Kleemann Designo Mocha Black SLK55 AMG
06 Porsche Cayenne S
07 Jaguar XKR Coupe'

I use the Torque and keep the HP for my Steak Sauce!

nmslk

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Can you take some pics of it now that it is installed for me?
So knowing that the stock pipes had to get stretched to fit the 2.5" Xpipe would the 2.25" xpipe be a better choice? I guess that's why I'd like to see pics to see the sizing.

Thanks,
nmslk

FishtailnZ

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Heading out for the evening now, but tomorrow I'll see if I can crawl under there far enough to snap a pic!

P.S. re the 2.25 vs 2.5 piping - I'm not sure if it was actually that big a difference stock vs the Magnaflow 10791 unit. There was really very little massaging to get it all to mate up so it's better to have the 2.5" size rather than risk the possible restriction the smaller 2.25" version "may" introduce?

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- Bill

2006 SLK55 Caspian Blue/Beige
Stock 1/4 mile results: ET 12.72, trap 110.80, 60' 1.90

O.Z. Ultraleggeras, Magnaflow X-pipe, E55K Airbox, Windrestrictor.

Some guys they just give up living and start dying little by little, piece by piece. Some guys come home from work and wash up and go racin' in the street... - B. Springsteen



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Cold Shot

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Questions if anyone is OK with answering:

What is the cost of the Magnaflow?

What is the cost of the Supersprint?

What was your install cost Bill?

Would this work (including removal of the resonator) void the manu warranty on a 07 dealer purchased car?

Thanks!

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~~~~~~~~~~~~~~~~~~~~
2007 Black/Black SLK55 AMG (Green Filters, SmartTop V1, Eurolight Clear Side Markers, R170 Modded Antenna)
2007 Pewter/Black ML350
19xx White/Blonde Wife (Lmtd Edition Model)

alroumi

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Cold shot the Supersprint costs around 900-1,000 dollars if memory serves me right.

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06 Kleemann Designo Mocha Black SLK55 AMG
06 Porsche Cayenne S
07 Jaguar XKR Coupe'

I use the Torque and keep the HP for my Steak Sauce!

dsb

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Glad to hear another member enjoying the X-pipe mod. It's especially pleasing knowing it's a fairly inexpensive mod. I like the way you describe it. By no means is it offensive. It is simply better sounding.

I will say this however... during cold startups the car is noticably louder and more aggressive. My neighbor across the street said he used to wake up to his alarm clock in the morning. Now, my car is his alarm clock. Lol. Glad I could be of service.

PS. Magnaflow Xpipe cost around $80. Install charge maybe another $80-100.

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'06 Mercedes Benz SLK55
Caspian Blue / Black & Ash / DPE 19" R07s, Other Stuff

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FishtailnZ

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Here's a pic...rained last night so it's dirty under there *L*. The car is pretty low, so it's hard to get a good angle for a shot, but you can see the x-pipe just left of center here with the stock piping after the welds on the right.







Pipe and install altogether is right around 200 bucks (80 for the install). I had to get the pipe shipped in so it cost me a little more than what you can probably find it for if someone local to you already has it in stock.

Shouldn't affect your warranty, it's just a piece of exhaust pipe astern of the cats - doesn't affect those or anything else in any way. Other than sound .

A short vid from this morning after taking the pic above...sound record quality really doesn't do it justice, but here it is anyway.

Yes it's dirty too *L*...

__________________
- Bill

2006 SLK55 Caspian Blue/Beige
Stock 1/4 mile results: ET 12.72, trap 110.80, 60' 1.90

O.Z. Ultraleggeras, Magnaflow X-pipe, E55K Airbox, Windrestrictor.

Some guys they just give up living and start dying little by little, piece by piece. Some guys come home from work and wash up and go racin' in the street... - B. Springsteen



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