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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 10-04-2010, 10:59 PM   #1
barnesql
 
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Magnaflow 3" competition series

Does anyone know if the Magnaflow 3" competition series catback exhaust match up with a regular midpipe/xpipe. Most systems run 2.5 " so I am concerned....
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Old 10-05-2010, 06:50 AM   #2
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on arh headers w/ the arh midpipe the magnaflow catback will hook to it, you just don`t use the magnaflow x-pip portion. The connection tubes and rear mufflers are used and attach to the arh setup, you do have to cut the arh x-pipe about 6 inches from the end but is very easy.
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Bolt on best before blower 12.22@113.29 w/ nothing but ARH headers, catted x-pipe, ADM CAI and a tune on stock Pzero`s!

Other car 2008 C6 Ls3, z51, A6, Npp Exhaust, best bonestock pass 11.80@118.82, Number 2 on the Corvette Forums Bonestock fastest list..
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Old 10-05-2010, 10:44 AM   #3
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Quote:
Originally Posted by barnesql View Post
Does anyone know if the Magnaflow 3" competition series catback exhaust match up with a regular midpipe/xpipe. Most systems run 2.5 " so I am concerned....
The Magnaflow 3" cat-back has a 2.5" inlet. This will allow you to install it on the factory midpipe.

So...No...technically it's not a "true" 3" system. The only way to get that is to buy a complete 3" system from header to exhaust tip.

For the most part, any 3" cat-back that is sold as just the cat-back and not the complete system will have a 2.5" inlet in order to hook up to the factory midpipes.
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Old 10-05-2010, 10:52 AM   #4
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Quote:
Originally Posted by caverman View Post
The Magnaflow 3" cat-back has a 2.5" inlet. This will allow you to install it on the factory midpipe.

So...No...technically it's not a "true" 3" system. The only way to get that is to buy a complete 3" system from header to exhaust tip.

For the most part, any 3" cat-back that is sold as just the cat-back and not the complete system will have a 2.5" inlet in order to hook up to the factory midpipes.
Although if you do have say an ARH 3 inch or kooks ect.. the magnaflow connection pipes are full 3 inch and you cut the arh mid before it necks down to 2.5, makes for 3 inch all the way out the back baby!
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2010 SS L99, 536rwhp 10.843@126.72. Whipple Supercharger stock pulley, ARH 1 7/8 longtubes w/ catted xpipe, magnaflow 3" mufflers, ADM Race CAI, 3:70 gears, lightweight wheels and nitto drag radials. Stock internal L99, stock converter.

Bolt on best before blower 12.22@113.29 w/ nothing but ARH headers, catted x-pipe, ADM CAI and a tune on stock Pzero`s!

Other car 2008 C6 Ls3, z51, A6, Npp Exhaust, best bonestock pass 11.80@118.82, Number 2 on the Corvette Forums Bonestock fastest list..
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Old 10-05-2010, 07:38 PM   #5
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I got all the stuff in the mail, so I took it all out and set it up so to speak and it all fit in fine. I was just worried that there was no drop down to 2.5 ", but like caverman said, the inlet let it fit fine with the midpipe. Getting pretty stoked.
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Old 10-06-2010, 06:33 AM   #6
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Cool, and if you add headers and that companies 3 inch x-pipe you will have 3 inch exhaust all the way back since you won`t be using the magnaflow x-pipe.
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2010 SS L99, 536rwhp 10.843@126.72. Whipple Supercharger stock pulley, ARH 1 7/8 longtubes w/ catted xpipe, magnaflow 3" mufflers, ADM Race CAI, 3:70 gears, lightweight wheels and nitto drag radials. Stock internal L99, stock converter.

Bolt on best before blower 12.22@113.29 w/ nothing but ARH headers, catted x-pipe, ADM CAI and a tune on stock Pzero`s!

Other car 2008 C6 Ls3, z51, A6, Npp Exhaust, best bonestock pass 11.80@118.82, Number 2 on the Corvette Forums Bonestock fastest list..
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