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      02-02-2012, 04:44 AM   #1
sarvar91
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X6M after market exhaust

Hello,

I have installed a rear section exhaust mufflers from supersprint (hamann) and planning to add down pipes as well.
Akrapovic just released one for cheaper than supersprint, is it ok to change between after market brands fr exhaust or better to keep it all same brand?

And would changing downpipes void my warranty since it adds hp???

Thanks!
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      02-12-2012, 08:50 PM   #2
BiG22DuBz
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You can install any kind of downpipes to any exhaust. All downpipes connect to factory midpipes. All cat backs fit to factory exhaust pipes. Altering your factory cat convertors for straight Downpipes will void your warranty. BUT you will gain the most power and torque
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      02-12-2012, 10:36 PM   #3
northern2020
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Quote:
Originally Posted by sarvar91
Hello,

I have installed a rear section exhaust mufflers from supersprint (hamann) and planning to add down pipes as well.
Akrapovic just released one for cheaper than supersprint, is it ok to change between after market brands fr exhaust or better to keep it all same brand?

And would changing downpipes void my warranty since it adds hp???

Thanks!
Brand is not an issue..

Build quality is!

Also the diameter of the Downpipes should be at least 3"...

Some start at 3 and taper to 2.5, but I don't know specs of the major manufacturers.

AR design I believe are 3"
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| '11 X5M | '10 Escalade ESV | '12 Audi S4 | '01 Audi S4 |
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      02-14-2012, 10:51 AM   #4
BiG22DuBz
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The AR downpipes look like they were made from scrap/recycled metal. Look at the build quality of Gintani downpipes. Here are the high res pics....they look beautiful in person, pics dont do justice.
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2008 Ducati 848....pearl white, Termignoni exhaust
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      02-28-2012, 06:58 PM   #5
sarvar91
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Quote:
Originally Posted by BiG22DuBz View Post
You can install any kind of downpipes to any exhaust. All downpipes connect to factory midpipes. All cat backs fit to factory exhaust pipes. Altering your factory cat convertors for straight Downpipes will void your warranty. BUT you will gain the most power and torque

What if i install downpipes with cats instead of straight ones, would that void my warranty?
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      02-28-2012, 07:09 PM   #6
BiG22DuBz
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U will lose the warranty if you touch the stock cats regardless of catless or aftermarket cat. True power gains come from losing tha cats + TUNE. Plus, u can actually hear the turbos now! Whoooosh
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2011 X5M....Downpipes, exhaust, dyno tuned
2008 Ducati 848....pearl white, Termignoni exhaust
CLS55 and C6Z06 (previous rides)
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      02-28-2012, 07:12 PM   #7
sarvar91
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Thanks for the tip

I guess i will have to wait a little longer for it then..

Im guessing touching the ecu will also void the warranty...?
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      02-28-2012, 07:15 PM   #8
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Quote:
Originally Posted by BiG22DuBz View Post
U will lose the warranty if you touch the stock cats regardless of catless or aftermarket cat. True power gains come from losing tha cats + TUNE. Plus, u can actually hear the turbos now! Whoooosh
hey bigdubz could u post a vid or a few vids of ur truck with the gintani set up im very interested in their pipes. thanks
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      03-01-2012, 04:47 AM   #9
BiG22DuBz
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You can de-tune the truck before going in to the dealer.....ESS hand held programmer allows this.

Biff Grissel.....Sure, by friday ill post up vids
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2014 M5...AMS downpipes, BMS tune, lead foot
2011 X5M....Downpipes, exhaust, dyno tuned
2008 Ducati 848....pearl white, Termignoni exhaust
CLS55 and C6Z06 (previous rides)

Last edited by BiG22DuBz; 03-01-2012 at 04:56 AM.
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      03-01-2012, 08:55 AM   #10
sarvar91
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Quote:
Originally Posted by BiG22DuBz
You can de-tune the truck before going in to the dealer.....ESS hand held programmer allows this.

Biff Grissel.....Sure, by friday ill post up vids
That's nice. U have a positive experience from ess?
And how much do they cost, because I always thought they were around $1000 but saw on their website for $2000!
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      09-24-2012, 11:23 PM   #11
ProtoX
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That's lookin' good!
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