Cold start with Black Widow 250 mufflers.
22:06
the MOST INCREDIBLE sounding exhaust EVER! 4.8 vs 8.1 shootout Pt.9
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1971 CAMARO GETS BLACK WIDOW NEIGHBOR HATERS
8:11
Which one do you prefer?
14:02
classic muscle cars cold start compilation
3:34
72 Chevelle Blackwidow Venom 250
15:32
1966 Pontiac Catalina convertible, 
11:54
How to Select the Right Flowmaster Muffler - Series Differences Explained
5:54