Originally posted by Pineapple_162
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Removing Snow Screen / Grille – MK7 Golf R | AutoInstruct
Open up the factory intake on the passenger side with a drill/hacksaw blade/sandpaper or a dremel (this section is blanked-off from standard)
Buy a blanking plate which covers the big gap on the driver's side of the factory intake:
5Q0129849 - Air Intake Blocking Plate - VW Golf MK7 GTI/R & Audi S3/TT/TTS– VAGPARTS Australia
Add a turbo inlet elbow - around $200 for a name brand e.g.
034 - Turbo Inlet Elbow - Volkswagen Golf MK7 GTI/R & Audi 8V S3/TT/TTS– VAGPARTS Australia
or $40 for an Aliexpress special (I run one of these) New Turbo High Flow Inlet Pipe For Golf MK7 GTI Adui S3 A3 Leon MK3 EA888 Tube Performance turbocharger Intake Hose (aliexpress.com)
Some advocate adding an aftermarket panel filter, but recent testing has shown how close in flow the factory filter actually is to aftermarket panels. Personally, I stick with stock given that they filter much better than aftermarket items. Plenty of good reading on this website Panel Air Filter Flow Test | My Golf Mk7 GTI (very interesting to see how the large surface area of the factory filter means that flow does not drop off even when dirty!)
More Modified Stock Airbox Testing | My Golf Mk7 GTI
You can replace the factory 'accordian' hose between the airbox and turbo inlet with a silicon version if you like - around $150-200 for a name brand item. The difference in flow is minimal though.
Essentially, you can do this on the very cheap (circa $100 retaining the OEM filter) or use name-brand bits.
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