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Old 06-13-2013, 01:29 AM   #1
Smkn600CTD's Avatar
Drives: 2013 Camaro SS and 1995 Camaro V6
Join Date: Jan 2013
Location: Las Vegas, NV
Posts: 285
Installed Solo Catback on L99 today

Picked up a used (well half used, the front section was still in its box sealed) Mach XL Catback last night for $360 bucks (couldn't pass it up)

Installed it today, took about 30 min on my friend's lift. Way easier than I thought it would be. The stock system is HEAVY (took it off as complete unit)

Zero drone as I had expected, but its way quieter than the YouTube videos out there at idle. It sounds nice at WOT, but not loud....just enough to let know its not the stock idle.

As for the AFM, it pops/farts when it switches to 4cyl for a split second, and then you can't hear it anymore. It does a excellent job of masking the 4cyl engine tone.

Chevy should have used a system like this stock...sounds good, not loud, but a nice rumble
2014 SS Sedan #2577/3537
2013 Camaro 2SS/RS.
2009 Dodge Daytona Charger #332/400
1995 Camaro 3.4
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Old 06-13-2013, 04:43 PM   #2
markmass's Avatar
Drives: 2SS/RS Oct 2009
Join Date: Oct 2009
Location: Coral Springs Florida
Posts: 452
Love my Mach XL -- If you add LT headers, it will sound different again. I couldn't believe my ears when i swapped the stock manifolds and CATS to kooks - it really wakes it up...enjoy
GET-TORQ custom CAM 223/243 LSA113, Full LS3 conversion, 3200 stall Multi-Disk TC from Circle-D, B&M Supercooler to cool that tranny down....1 7/8" Kooks Headers and High flowCats. MACH XL Catbacks. Eibach springs, R2C Performance CAI, powdercoated calipers, Footwell lighting in tune with dome lights, tints, ABL Lighting, ACS T3 ports and ACS Eagle T3 triple LED lighting kit. Heritage grill, Hex vents, ZL1 rockers, ZL1 Diffuser, Quad tips...the list keeps getting longer - whats next??

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