Official details...
http://www.camaroz28.com/forums/showthread.php?t=696139
MAGNAFLOW has released a myriad of exhaust systems to meet all your RS and SS Exhaust needs.
2.5" and 3.0" complete cat-back systems, 2.5" axle-back systems, 4" Double wall, 5" Rolled edge tips and accomodations for GMPP fascia equipped vehicles. All of these options are available as Street and Competition Series for a mild or wild exhaust note.
2010 Chevrolet Camaro SS (Standard Fascia)

16579
2.5" Street Series Cat-back Performance Exhaust (4" Tips)
16581
2.5" Street Series Axle-back Performance Exhaust
16580
2.5" Competition Series Cat-back Performance Exhaust (5" Tips)
16582
2.5" Competition Series Axle-back Performance Exhaust
2010 Chevrolet Camaro SS (GMPP Fascia)
2.5" Street Series Performance Exhaust System
Stock System with visible inner tip -------------- MAGNAFLOW system with hidden inner tip
Check out
www.magnaflow.com for additional information, images, sound clips and dyno charts.
Check out
www.camaroz28.com sponsors for pricing ... these systems are IN STOCK!
Richard