new airbox - funny sound???
#1
Rennlist Member
Thread Starter
new airbox - funny sound???
fellas,
i recently changed the stock airbox and filter in my 1996 993TT w/29K miles to a K & N filter and a weltmeister performance airbox as shown in the link below.
http://www.automotion.com/productpag...1260#partStart
anyway, now i am getting a strange noise usually during moderate acceleration between 3,000 and 4,000 rpm. it sounds like a drawn out honking. i also get it sometimes when maintaining constant speed in 5th or 6th gear around 2,000 RPM. is this normal? is this the sound everyone is raving about?
btw, i also still have the factory original turbo bypass valves....
any advice?
i recently changed the stock airbox and filter in my 1996 993TT w/29K miles to a K & N filter and a weltmeister performance airbox as shown in the link below.
http://www.automotion.com/productpag...1260#partStart
anyway, now i am getting a strange noise usually during moderate acceleration between 3,000 and 4,000 rpm. it sounds like a drawn out honking. i also get it sometimes when maintaining constant speed in 5th or 6th gear around 2,000 RPM. is this normal? is this the sound everyone is raving about?
btw, i also still have the factory original turbo bypass valves....
any advice?
#2
I'm Still Jenny
Rennlist Member
Rennlist Member
On certain aftermarket airboxes, the air filter can collapse due to the lack of a front cover. Check to make sure everything is in the right place.
#3
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Thread Starter
#4
I'm Still Jenny
Rennlist Member
Rennlist Member
Check out these two threads:
https://rennlist.com/forums/964-forum/306588-fabspeed-cup-style-airbox-warning.html
https://rennlist.com/forums/showthre...ghlight=airbox
I know you don't have the Fabspeed, but the Weltmeister looks like the same thing. What happens during hard acceleration?
https://rennlist.com/forums/964-forum/306588-fabspeed-cup-style-airbox-warning.html
https://rennlist.com/forums/showthre...ghlight=airbox
I know you don't have the Fabspeed, but the Weltmeister looks like the same thing. What happens during hard acceleration?
#5
Seared
Rennlist Member
Rennlist Member
While many have had great luck with K&N filters for other applications (including me), I think the general consensus here is that the stock filter and housing is perfectly fine.
Andreas
Andreas
#6
Being on a budget, I bought a stock airbox lid for my 993 from an eBay seller, then used a Dremel with a cutting wheel to make it like the Supercup lid. Basically, it's just an open frame to hold the air filter and clutch vent tube in place. I use it when the weather's fair (i.e. no rain) with the standard air filter. No real gain in HP, but it sounds very nice at wide open throttle.
#7
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#8
Drifting