How much horsepower?
02-15-2008, 07:59 AM
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How much horsepower? I'm thinking about getting the GMMG Chambered Exhaust for my 1998 Firebird Formula, but wanted to know if it would have a potential increase in horsepower and if so like how much?
02-15-2008, 08:58 AM
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any exhaust that flows better than stock will result in more power.
how much will vary from car to car, other mods, and the type of exhuast.
but on a stock car, figure 12-15rwhp for the best flowing exhausts.
few more mods, that may increase a bit more.
how much will vary from car to car, other mods, and the type of exhuast.
but on a stock car, figure 12-15rwhp for the best flowing exhausts.
few more mods, that may increase a bit more.