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WVSNS&
02-21-2011, 06:37 AM
Any one used an intake spacer? Curious if it is worth the cost. Claims of ten or so horsepower are what I am reading.

Lumpydogs
03-02-2011, 10:43 PM
Tossed a 1/2" spacer on my very not stock 4V 4.6L. Gained zero hp with a tune. Might be some gain if combined with larger throttle body, larger MAF and high flow air filter on a stock setup. According to other website postings, the Mach 1 setups gained 5 hp or so.