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Pontiac - Boost Turbo, supercharged, Nitrous, EFI & other Power Adders discussed here. |
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#1
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BALANCE EXHAUST TUBE H PIPE
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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#2
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IMO I don't think you will gain anything on that as it's coming from a single pipe and going to duals. I have a similar exhaust design but mine is 4" DP merging into two 3" pipe for the street. Nice exhaust piping, no mufflers?
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The Following User Says Thank You to 73 TRANSAM For This Useful Post: | ||
#3
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I put one on my TA, , it made it changed the sound. I liked it better before the h pipe
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🧩 Burds Parts, Finding those Hard to Find PCs, no Fisher Price Toys Here Just Say No To 8” Flakes F ire B irds 🇮🇱 |
#4
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At first I had no mufflers but it was to loud ,now have a set of flow masters and sounds good , this was an old pic of the exhaust before mufflers we’re installed , would like to see your 4” downpipe pics as I don’t think I have enough room by my valve cover …
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#5
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muffler
I can't post any pictures as my engine and tranny is out and so is the interior. It was pretty tight as I have a midplate and front plate on my car. But with a lot of cutting and welding, a 4" fit. I think ur 3.5" works better for having a little bit of clearance. I also made a fender exhaust from a 4" and made my own muffler. But I fabricate everything myself so I make things work for me. How's your fuel injection setup working?
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#6
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The fi tech is working great now ,I was able to upgrade the injectors to 120# so I feel better about having enough fuel with E85 , still need some fine tuning that I need to do a data log and send it off to a fi tech tuner in Texas ,
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#7
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Engine pic
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#8
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I personally love the way Flowmaster sound. But in a boosted application a chambered muffler adds more back pressure than desired. If your not looking for every bit of power available then you're good. Also Im not sure the H-pipe will add any value as your exhaust already is merged together to balance the pulses
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#9
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Flowmasters don’t last either, get a Borla Stainless, it’s straight through, but not loud like the rest. You don’t get the hammer sound like a flow master either.
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🧩 Burds Parts, Finding those Hard to Find PCs, no Fisher Price Toys Here Just Say No To 8” Flakes F ire B irds 🇮🇱 |
#10
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Quote:
https://loudvalves.com/collections/b...ctuated-series |
#11
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Thanks Curtis for the advice , but how is my y pipe the same as a single 3” flow rate when it goes from 3.5 to dual 3” outlets all the way back ?
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#12
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probably by the view in the pic. It looks as though the exhaust pipes neck down ALOT where they join into your down pipe....but with further study...its just cause its shiny..
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#13
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Quote:
https://www.jegs.com/i/Flowmaster/389/Y300350/10002/-1 |
#14
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Not offended at all , I am just trying to understand what your saying , I can’t remember what the inside of that y fitting looked like i, but I remember it was call a merge pipe …keep the comments coming …
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#15
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Here is the merge pipe I got except mine is a 3.5” inlet with dual 3” outlets
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