Reviewed By David P (Galveston, TX) Reviewed for a 2007 GMC Envoy —1/23/2008 2:08 PM
Great sound with little to no resonance inside cab. Had a muffler included with the JBA exhaust system and it was junk. Stainless steel, but just a big glass pack. The resonance inside cab was horrible. The 70 series sounds good on the outside without the resonance inside the cab.