Exhaust bypass valve?
Discussion
Anyone ever fitted one of these to a classic impreza?
I've just bought an RCM 3" turbo-back system to go with the RCM headers. Couldn't decide between a straight through centre pipe or a centre silencer. Contemplating both...and a y-piece with electric bypass valve and a secind y-piece upstream of the rear silencer.
My ecu (Syvecs) can hold 8 maps so have a few spare in case I need to adjust the fuelling for noisy/quiet mode.
I might finally have found a use for the damn "Bright" button!
Anyone considered it?
I've just bought an RCM 3" turbo-back system to go with the RCM headers. Couldn't decide between a straight through centre pipe or a centre silencer. Contemplating both...and a y-piece with electric bypass valve and a secind y-piece upstream of the rear silencer.
My ecu (Syvecs) can hold 8 maps so have a few spare in case I need to adjust the fuelling for noisy/quiet mode.
I might finally have found a use for the damn "Bright" button!
Anyone considered it?
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