While you guys are messing with air boxes, cut the blanking panel out. Link below
Also, JB4 is best bang for buck you can get if you want to keep your warranty, Any Tune will give you a TD1 flag.
Ive seen over 200kw at the wheels on GTIs with some basic mods.
Ive done the CTS TMD, Inlet pipe, IC pipes and Down pipe, it all helps.
Just remember you will get the Check engine light with most Downpipes, this can be removed with a tune (but TD1) so beware if you do get a Down pipe, you'll get that every so often, so have a OBD tool to clear it, and youll be fine.
JB4 vs tune on same car, was 20 odd kw, and that extra 20kw was at the top end, where the tune added fuel and timing (JB4 cant do that as its a piggy back). JB4 is not like piggy back systems of old, it has some real smarts and are now in the Kia and Honda market. They started with BMW back in the day, then moved to VW models in 2016.
Fitted 2 Downpipes in driveway with stands, its not to bad once you find a good "how to"
RS Airbox
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