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  1. General G5 Discussion
    Im looking into a few glasspack mufflers, i plan on getting a 16 inch muffler to replace my resonator, and then wanted to do and different glass pack muffler in the back but shorter would this work? and if so is stock piping 2.25” im interested is seeing what would happen muffling the noise...
  2. Performance Mods
    I have a 2007 G5 base, 2.2 liter engine with a manual transmission. I am having of upgrading my exhaust system due to the fact that i have a manual transmission. The down pipe that i need is apparently flipping expensive because i have to use a GM certified down pipe due to fit restrictions. I...
  3. Performance Mods
    i have an 08 g5 and i put a flowmaster on it and took out the intake resonator and i was wondering if anyone took off there exhaust resonator and how it sounds and if there are any changes performance wise, oh and also i live in pa, does anyone know if that would affect emissions or inspection...
1-3 of 3 Results