Quote:
Originally Posted by pokeybritches
40 hp for a tune on a naturally aspirated engine is dreaming. With headers and a full exhaust, maybe 20-30 hp. You need significant hardware mods to make 40 hp.
Do before and after dynos.
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20hp tune more realistic or still dreaming? Keeping the stock exhaust, I'm thinking of deleting the muffler but there is no hp gain there if so matter