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3,047 Posts
Since I got the Courtesy exhaust my car has done this. Any turbo SR20 powered car with a decent exhaust that I've heard of does this. Why? Is it because the JWT ECU runs so rich? What negative effects can this have? Can't it hurt your cat if it's exploding in there? Having combustion in other places that it should happen just doesn't sound at all good to me.
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Ben98SentraSE
98 Sentra SE TURBO
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Ben98SentraSE
98 Sentra SE TURBO
