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Author Subject: oem "ish" airbox options?
jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

Posts: 1,285

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Post #1
with real oem airboxes being as rare as hens teeth and most aftermarket "performance" filters ending up as a hot air intake with reduced surface area....

im looking for a somewhat oem replacement airbox from a different vehicle thats more available.

ive seen a few on ebay that are similar but im wondering if anyone knows of or has already figured this out before i start buying random airboxes and wasting my money.

thanks

jim

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Posted 1st Mar 2025 at 20:55
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Joep

Regular

Location: Urmond (The Netherlands)

Registered: 19 Sep 2013

Posts: 500

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Post #2
BMC CDA connected to the throttle body with the OEM intake hose/tube. This way the distance between throttle body and filter remains the same. And it sucks up cold air. That is how I have fitted it in my to GTI6 converted phase 1 XSI.

Only thing to keep in mind: avoid puddles. The opening is facing the tarmac… so might act as vacuum cleaner Wink

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Posted 2nd Mar 2025 at 07:11
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jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

Posts: 1,285

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Post #3
been there, done that. Sad
fitted the air intake to a fog light hole on my second gti6, drank a puddle, totally effed the engine.
sounded like a bag of spanners afterwards.

ive went and got a 2.2 hdi boxer airbox off of ebay. looked close enough to a stanny airbox but the things waay too big, bloody clutch cable brackets a pain.

its hard to find an oem airbox with the 76mm / 3" diameter, the peugeot rcz airbox looks like a good contender space a fit wise but i cant find its tube diameters....

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the world is changed by people in sheds
Posted 9th Mar 2025 at 09:38
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ben306

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Location: North West

Registered: 17 Jan 2006

Posts: 2,954

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Post #4
Malteser bucket

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Posted 10th Mar 2025 at 09:28
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jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

Posts: 1,285

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Post #5
mmmm tastey, but in all seriousness cant really find much so far.

looking at various 106 and 306 airboxes on ebay, it appears they use the same airbox wether its a 1.4 petrol or a 2.0hdi.... and a fair few others in the range.

they only really change the top tube part, the can and lower resonator box seem identicle. i might go for one of those.

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Posted 18th Mar 2025 at 15:59
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jimmyhackers

Seasoned Pro

Location: birmingham

Registered: 14 Jun 2011

Posts: 1,285

Status: Offline
Post #6
ive ended up using a modified 106 airbox.

had to replace the 60mm "outlet" with a 76mm one on the lid.

cut off the resonator part on the bottom and fitted a flat blanking plate, to make it smaller.

works a treat.
its oval inlet seems larger than a standard gti6 one (or at least larger than the oem oval grill intake scoop), so bonus there.
a bit of maths also shows the 106 filter may actually have slightly more surface area than the standard gti6 one, again another bonus.

note: i think the airbox oval inlet requires a 90mm tube....annoyingly i ony have 76mm atm, so its duct taped on non optimally for the moment. 90mm flex ducting is on order and i might end up using a hot air gun on the oem air scoop to expand it a little for less flow restriction.

in conclusion, cold air feed, more filter area, looks more oem, quieter but stilll nice sounding intake noises......me happy Smile

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the world is changed by people in sheds
Posted 20th Apr 2025 at 14:38
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