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If it's not really about tuning or wiring. Then it belongs in here.
= Resolved threads
Is there a benefit to running an X pipe, or balance tube, when also running stock manifolds?
Car is a 98 Camaro with an LS1 and T56 Magnum. It was built to run American Sedan restricted prep in SCCA, and I must use the stock exhaust manifolds.
Exhaust has to run behind driver's seat, but it doesn't have to run out past the body.
The primary reason for a "X" cross-connection is to share the exhaust gas path between the mufflers further down the system to reduce back pressure and noise.
It would seem you are allowed to run a straight pipe system, where mufflers aren't used, so any benefits may be minor.
Depending on the specific wording, you may be allowed to use "stock" exhaust manifolds from a different model/engine that is better flowing - or at least be able to clean up the castings internally to smooth the gas path and, hopefully, reduce resistance a little.
