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Unless you add headers, SSI, or pre-75 heat exchangers and OEM muffler or sport muffler to the upgrade 'package' ... it won't be much help AT ALL! So, it starts to get pretty expensive to add 25-30 hp! Plan ahead, and think hard about smog checks and requirements over the next few years ... or you may regret the upgrade!
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Warren Hall
1973 911S Targa
1992 Dodge Dakota 5.2 4X4 parts hauler
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