My car has a pair of 3" cats I got used off LS1Tech for $50 so search around, you might find a good deal. Pypes used to make a really small 3" cat but they don't offer that style anymore. Magnaflow has the spun metal cats which are pretty small as well. The cats definitely helped with the smell and it passes the visual inspection.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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