For those with older muscle cars, check your cars parts book. Odds are there are glasspacks or chambered exhaust listed as an OEM option. This isn't a law I'll have to worry about when there is a OEM part number for the glasspacks straight from the factory.
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Just another day in paradise!
1964 Studebaker Daytona - 289 V8 4-BBl, T-10 4-speed, 3.73 Twin Traction Rear End, Front Disc Brakes, Dual Exhaust, Front Bucket Seats and Console
Cost to Date: $2125.60