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GC8 downpipe question Subaru Impreza GC8 & RS Forum
WebOct 19, 2006 · A divorced pipe, because it matches the turbine exhaust size better, will have a smoother transition of the flow, creating less backpressure on the turbine. I am making boost about 300-500 RPM sooner with a divorced pipe than my friend with a similar '04 STi with a bellmouth. The cars have differences, so it's not conclusive. Web3" Catted Downpipe w/ Divorced Wastegate for Subaru EJ Turbo by Perrin Performance. The PERRIN Performance Catted Downpipe features a divorced wastegate and cat which will separate the exhaust gas exiting the downpipe, creating a smoother exhaust flow, thus resulting in more horsepower and torque. The downpipe is constructed of 304 stainless ... beaird tank
GrimmSpeed "Limited" 3" Downpipe
WebThe downpipe is constructed of 304 stainless steel 3-inch mandrel-bent tubing and bolts up to any stock replacement cat-back or stock unit. PERRIN Performance has created a … WebA GrimmSpeed™ Catted Divorced Downpipe is one of the first modifications that should be done on your car. The OEM downpipe contains two very restrictive catalytic … WebAug 1, 2024 · A divorced style downpipe has two different tubes, one significantly smaller than the other, that both connect to the turbo. The larger tube covers the turbine outlet and the smaller tube covers the wastegate outlet. They both eventually merge together towards the middle of the DP. beaid