Re: Catalytic Converters - Advice Needed
If you want to quiet the car and make it look legal for whatever reason, weld a converter casing around a glass pack and put it where the cat goes. Any cat is going to hurt your performance a bit, and will crap out after extended periods of using race gas. You can buy up to 102 octane unleaded(I use 100 octane quite a bit), anything higher than that and even lower than that not labeled unleaded is leaded.
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2009 Corvette Z51-SOLD
1992 Mitsubishi Eclipse GSX-SOLD
2013 BMW Z4-Current summer hooptie
2017 GMC Yukon-Current winter hooptie
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