2008 Chevy Cobalt dual exhaust?

2008 CHEVROLET COBALT
23,500 MILES • 4 CYL • FWD • MANUAL
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WADE_SLAYBACK
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My 08 cobalt has the 2.2L engine. Is it possible to put a dual muffler system with either dual or quad outlets? Where can i go to find such systems that wont rob me of power by opening the air flow too much? am lookin for | | or || || if that make sense.
Sep 5, 2009 at 2:11 AM
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MMPRINCE4000
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You can try the dealer (GM Performance Parts) which
May offer a system that does not invalidate your warranty.

ALso try Summit racing or Jegs. Look at flowmaster.

In any case you must not remove or tamper with the CAT.
Sep 7, 2009 at 7:56 AM