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Originally Posted by pgarner  ok like o.g i search for screamer pipe on wikpedia and this came under wastegate
so would i be right by saying rather than the wastegate sending the exhaust gas down the exhaust . it sends it down a dedicated exhaust pipe
and whats wrong with having a little 1ltr car with a 4" pipe and 6" tail pipe it gives me 15bhp then i get another 10 from the induction kit 
your right thou too many people go along with the more noisy the faster it goes
wrapping the exhaust is supposed to lower the under bonnet temperatures |
You can't just keep adding up the suggested bhp increases from sucessive modifications as you imply. Thanks, Paul, for clarifying this. The set of equations is nowhere near linear.
BR's take note, noise and performance are totally unrelated.