Author Topic: Airbox Drilling (Read 10877 times)

Eurospec · « **on:** March 11, 2006, 02:40:06 AM »

Who's done it and what are the pros/cons?

kowalski · « **Reply #1 on:** March 11, 2006, 03:53:49 AM »

Quote from: Eurospec

Who's done it and what are the pros/cons?

i'v done it.

so had it for like 2 years. only difference i noticed was sound. no difference inf fuel econ. or power.

Febi Guibo · « **Reply #2 on:** March 11, 2006, 05:55:47 AM »

I don't think there are too many pros... the stock BMW pleated filter and airbox, esp for our cars, is pretty good.

...having said that, I love the sound of my ricey cone kit... guilty as charged... lol!

bmwman91 · « **Reply #3 on:** March 11, 2006, 10:41:41 AM »

Quote from: Febi Guibo

I don't think there are too many pros... the stock BMW pleated filter and airbox, esp for our cars, is pretty good.

...having said that, I love the sound of my ricey cone kit... guilty as charged... lol!

Hehe. Yeah, that's the only reasson I kept my intake on the 1st car...it just sounded too mean to take off. Once my MAF conversion is done I will probably be using a cone filter (though I COULD make an airbox adapter).

Yeah, do not wreck the factory box. It'll probably hurt power if anything since you will be sucking in hotter air.

e9nine · « **Reply #4 on:** March 11, 2006, 10:10:27 PM »

Believe it or not, my throttle response changed a tad. I did a comparison last week. I'll try again in a few weeks to make sure it's not a placebo thing. Hot air is sucked in regardless in my case as I don't have a the backing plates behind the headlights and I really don't need all the power in stop-n-go traffic :cool:

dino245 · « **Reply #5 on:** March 13, 2006, 08:48:51 AM »

I have a complete airbox because the load noise with out it gets old after a while of daily commuting.

kowalski · « **Reply #6 on:** March 14, 2006, 02:57:01 AM »

Quote from: dino245

I have a complete airbox because the load noise with out it gets old after a while of daily commuting.

try running a straight pipe...

1991318is · « **Reply #7 on:** March 21, 2006, 01:34:18 AM »

Quote from: kowalski

try running a straight pipe...

That's why I bought my m42, got sick of a built v8 w/ very little in ways of exhaust or things to make it comfortable, it gets old quick

e9nine · « **Reply #8 on:** March 21, 2006, 06:30:43 AM »

If you have an aftermarket muffler, the noise effects are balanced out. I did a muffler swap prior to the airbox drilling and the exhaust droned out the engine, it's now almost in a 50-50 equilibrium

hamann318is · « **Reply #9 on:** March 21, 2006, 03:28:45 PM »

I have a drilled intake and a muffler. It's nice.

kowalski · « **Reply #10 on:** March 21, 2006, 04:02:47 PM »

Quote from: 1991318is

That's why I bought my m42, got sick of a built v8 w/ very little in ways of exhaust or things to make it comfortable, it gets old quick

yeah, i had a 1068 chevelle with a very built up bored out 350. dual side pipes. loud as hell, but it got stolen before it got anoying:(. now i have a 56 belair with dual 2.5 inch mendral bend stainless steel exhaust with close to 600hp.

good news! i finaly found amuffler and its being put on on saturday!:)

GrippyDrifty · « **Reply #11 on:** March 26, 2006, 03:33:45 AM »

WOW!!! A 1068 Chevelle huh? Jk.
My stock airbox does have a nice whistle to it, but I hear that a cone kit takes it to another level.

bmwman91 · « **Reply #12 on:** March 26, 2006, 03:42:48 AM »

Where did you all put the holes? And how did you avoid sucking in hot engine bay air?

e9nine · « **Reply #13 on:** March 26, 2006, 08:23:20 AM »

I drilled the holes on the left side (D.side of the boX) which is closest to the fender. Hot air will obviously be sucked in during stop and go, however I have taken out the headlight plastic backing piece so once the car is on the roll...all is well with fresh air flow.

kowalski · « **Reply #14 on:** March 26, 2006, 03:28:26 PM »

Quote from: GrippyDrifty

WOW!!! A 1068 Chevelle huh? Jk.
My stock airbox does have a nice whistle to it, but I hear that a cone kit takes it to another level.

haha yeahg you never heard of the 1068 chevelle? its REALLY OLD and worth MILLIONS......