SLP LoudMouth II Cat-Back Exhaust (09-13)

LoudMouth II Axle-Back Exhaust System for C6 Corvette/Grand Sport Features:

  • Limited Lifetime Warranty
  • Hand-crafted from 304 stainless
  • Easy bolt-on installation
  • Modular design
  • Polished 3.5″ dual split round tips



Purchase and earn 777 LSXOnly Points worth $7.77! *Must be logged in.

Bolt a LoudMouth II® Axle-Back Exhaust System onto your 2009-2013 C6 Corvette/Grand Sport for gains up to 12 extra horsepower. The tone is deep 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 is a pair of polished stainless SLP bullet-style mufflers, stamped with our SLP logo. This system features four polished 3.5″ dual split round tips, providing you with the ultimate Corvette look. The modular design gives you the flexibility to change to our louder SLP resonators (#31062). The rest of the exhaust system is hand-crafted from 2.5″ 304 stainless steel and is covered with our Limited Lifetime Warranty. slp32001 slp32001


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This product fits the following vehicles

Item may also fit vehicles not listed below.

Year Make Model Engine
Year Make Model Engine
2005 - 2013 Chevy Corvette All

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