The downpipe is where you'll liberate more power, especially in conjunction with an ecu reflash. If you don't want much more noise (increased noise from a downpipe alone seems to vary from brand to brand based on comments in other threads on the forum) then I'd consider a downpipe only upgrade, bolted onto the stock catback exhaust. If you're going with all APR gear, they would have a downpipe to suit...
MY07 GOLF GTI
5-Door l Tornado Red l DSG l Leather l Xenons l MFD2 l TCP T.B.E l DNA stage 1
Go see Arthur at Exoticars in North Paramatta.
Downpipe is the biggest gain you can get after the initial tune.
GIAC ECU flash - $995
BCS carbon airbox intake - $599
Eurojet downpipe - $799
Dont waste money on a forge diverter valve. They get sticky after a while and require maintenance. No real benefit over the OEM revision D piston style unit. You can use a forge spacer to get your blow off noise without the forge DV.
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