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2005-2008 Corvette C6 SLP Loudmouth Axle Back Exhaust System with 3.5 Tips

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SLP Performance
Part #: 638-070
Availability: This item ships direct from the manufacturer
   Normally Ships in 7-14 Days
Fits Years:
  • 2005-2008
$719.99 This Item is Not Eligible for Promotional Discounts
  • Description
  • Have It Installed

2005-2008 C6 SLP Loudmouth Axle Back Exhaust System with 3.5" Tips

Bolt a 2005-2008 Corvette SLP Loudmouth Exhaust System on your C6  for gains up to 12 extra horsepower. The tone is rich and powerful letting everyone know you're coming, with an aggressive rumble your Corvette deserves. The secret to the system's distinctive sound and performance gains are a pair of polished stainless Loudmouth resonators, stamped with the SLP logo. This system features four polished 3.5" dual split round tips, providing you with the ultimate Corvette look. The rest of the exhaust system is hand-crafted from 2.5" 304 stainless steel, and is covered with our Limited Lifetime Warranty. Loudmouth I is the most aggressive C6 Corvette exhaust system from SLP.

  • Gain up to 12 Horsepower and 15 Lb/Ft of Torque
  • 2.5" 304 Stainless Steel
  • 3.5" Dual Split Round Tips


Also known under these part numbers:

  • 31077

Let our professional installers install this item for only $100.00

Mid America Motorworks offers installation services for a variety of Corvette aftermarket products. Our team is highly experienced in skilled, professional installation, getting your Corvette back

The Installation & Restyling Center is open:

  • Monday through Friday, 8 am to 5 pm
  • Saturday 9 am to 4 pm by appointment
  • Sunday by appointment

Relax in our Customer Lounge while your upgrades are made, or on more involved projects, use our loaner vehicle, which is available on a first come first served basis. We can also provide assistance booking with local hotels at our corporate discount rate if you plan to stay in Effingham for a few days.

While under our care, your Corvette will be stored in a secure location, giving you peace of mind until you’re ready to take it back to your garage. When your installation is complete, we also offer detailing services to get your Corvette ready to turn heads.

Schedule your Installation today by calling 217.540.4277 or emailing