SLP Loud Mouth II Axle Back Exhaust for C6 Corvette

SLP Loud Mouth II Axle Back Exhaust for C6 Corvette

Item Code: C61138

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Product Description


Bolt on a Loud Mouth II cat-back exhaust system from SLP on your 2009-12 C6 Corvette/Grand Sport for gains up to 12 extra horsepower. The tone is rich and powerful letting everyone know you're coming, with an aggressive rumble your LS3 deserves. The secret to the system's distinctive sound and performance gains are a pair of polished stainless Loud Mouth II bullet-style mufflers, stamped with our SLP logo. This system features a distinctive black cast aluminum tip with four polished outlets, providing you with the ultimate Corvette look. The rest of the exhaust system is hand-crafted from stainless steel, and is covered with our Limited Lifetime Warranty.

NOTE: Cast aluminum exhaust tips may have slight imperfections from the casting process which we deem acceptable.

Loud Mouth II cat-back exhaust system for C6 Corvette/Grand Sport features:

  • Loud Mouth II bullet-type race mufflers for minimal restriction, reduced resonance, and an aggressive tone
  • Constructed entirely from Mandrel-Bent Stainless Steel
  • Distinctive Black Cast Aluminum Tip
  • Emissions legal in all 50 states
  • Significantly lighter than the OEM muffler assembly
  • Includes pre-welded hangers, detailed instructions, and all necessary installation hardware
  • Covered by SLP's Performance Guarantee and Limited Lifetime Warranty


  • 2009 2010 2011 2012 2013 C6 Corvette and GS / Grand Sport

Installation Difficulty

Installation Difficulty 5


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