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Originally Posted by Scooby Wez
Do i have to have the ecu sorted if a fit a non-cat downpipe.What sort of increase inperformance would i get if any.If i can go this route the i would also fit a set of ported headers.
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UK scoob will be fine de-catted. Ran mine for a while before I remapped it.
Boost will pick up a little sooner and it'll feel a bit free'er at the top.
Good option/plan if you are thinking of an increase in boost/remap further down the line.
Will also change the exhaust note and give it more of a crackle and slightly less resonance.