Quote:
Originally Posted by er455
On my exhaust system consist of a 3.5 downpipe with then goes into a 3” Y pipe and splits into dual 3” pipes thru mufflers and full tailpipes would there be any Benifits to adding a (H) crosspipe to equal out exhaust to both tailpipes ?
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That Y pipe piece that you have in there is killing your flow er. The ones that I've seen only have an opening of around 2.5". Even it were 3" that means you now have the flow of a single 2.5"-3" pipe. The Flowmasters sound good but are horrible for a turbo car. The turbo works off of a pressure differential. Your backpressure in those pipes has to be high. You're gonna lose drive pressure on the turbine wheel the higher the backpressure in your exhaust pipes get. Like the others have said about the h pipe it'll only change the sound a little. I'd like to see you use a loud valve under boost in the 3.5" section somewhere. It works off of boost pressure to open it like a dump to let the pressure out if you haven't seen them.
https://loudvalves.com/collections/b...ctuated-series