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Discussion Starter · #1 ·
just installed the axle back borla system saturday and it sounds really good in the city, every angle of my right foot on the gas is amplified by a wonderful sound of an old V8 muscle car less any car shaking and rattling, the system really brings this motor to life but once i hit around 100km and above the droning gets really strong is this the norm, will it quiet over time or could it be a leak any advice helps
 
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