STi exhaust on WRX
#1
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STi exhaust on WRX
Has anyone seen any improvement using the new STi muffler with an aftermarket DP versus aftermarket DP with stock WRX muffler. I like using factory parts whenever possible, and they can be had pretty cheap. I'm looking for someone who has dynoed this setup.
#2
I've got an STI muffler along with my one cat (mid pipe) exhaust and during the Great EZ Street Dyno Debacle (and after applying some math in excel for comparison to other dyno numbers). It showed my VS2 setup (with my own one-cat exhaust setup with the STI muffler) gave about 20 WHP less than Vishnu's dyno numbers of the same setup with the catless exhaust and their special downpipe.
Is this what you were looking for?
tk
Is this what you were looking for?
tk
#5
Sorry, but I'm not writing a "mod" article, nor plan to be in one anytime soon. I just wanted a baseline after all my "final" mods.
But good luck to you. BanSUVS reply sounds more like what you are looking for.
tk
But good luck to you. BanSUVS reply sounds more like what you are looking for.
tk
#6
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Originally posted by BAN SUVS
I like to think of the STi exhaust in these terms- Stock STis put about 215 whp on the Vishnu dyno. STis with a good 3" turboback put down about 245-250.
I like to think of the STi exhaust in these terms- Stock STis put about 215 whp on the Vishnu dyno. STis with a good 3" turboback put down about 245-250.
#8
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Join Date: Nov 2002
Location: Reno, NV
Posts: 18,369
Car Info: 1993/2000/2001 GF4 mostly red
Originally posted by Silver arrow
I'm trying to figure out how much I would be gaining or lossing with using the stock STi axleback with Uppipe, Perrin catted DP, and I now am using the WRX cat back. Will the STi muffler make anymore power? How much am I lossing compared to a 3" catback?
I'm trying to figure out how much I would be gaining or lossing with using the stock STi axleback with Uppipe, Perrin catted DP, and I now am using the WRX cat back. Will the STi muffler make anymore power? How much am I lossing compared to a 3" catback?
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