take a dremel to your exhaust manifolds, take out the u-bend, higher octane gas, open cone filter, colder plugs might do it. i probably wouldn't do it to my car. find somebody with a scanner to scan for knock afterwards
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01-20-2011
take a dremel to your exhaust manifolds, take out the u-bend, higher octane gas, open cone filter, colder plugs might do it. i probably wouldn't do it to my car. find somebody with a scanner to scan for knock afterwards
01-20-2011
keep hearing ubend delete but do you have too weld afterwards? cause i def dont have that
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