Pontiac
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X122 Goerlich XLerator Long Case Performance Muffler - 2.5" Inlet/Outlet
$95.00All welded and aluminized performance muffler. Highest flow rating of all performance mufflers. No raspi-ness or annoying resonance. All RPM agressive exhaust note. Approx 10 db quieter than same case length Flowmaster.Same as X110 with longer 18" Case
2.5" Inlet/Outlet, offset-offset for correct oem type fit.
Noise rating 7.0 on 10 scale. Learn More -
X123 Goerlich XLerator Long Case Performance Muffler - 3.0" Inlet/Outlet
$95.00All welded and aluminized performance muffler. Highest flow rating of all performance mufflers. No raspi-ness or annoying resonance. All RPM agressive exhaust note. Approx 10 db quieter than same case length Flowmaster.Same as X111 with longer 18" Case
3" Inlet/Outlet, offset-offset for correct oem type fit.
Noise rating 7.0 on 10 scale. Learn More