It's time for a FEEL - Extreme Flow HARD Turbo Inlet by Killer B Motorsport

[GeoNV]

How’s this coming along? Ready for some beta testers?

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[Karlot]

idk if i would buy one or not. I have a hard inlet from agency power (not that smooth internally, but it works) but knowing how high quality your products are i'd definitley consider adding it when i change the fuel system to go with flex fuel since the manifold will already be off.

[Keyan]

in for information and interest. I would love to have a metal inlet pipe for my plastic mani (lgt/08+wrx).....metal reflects sound better and should make the turbo spool louder.

[Max Capacity]

Wish this option was around years ago when I replaced the OEM inlet back in 2012.

Just to verify will this fit other vf style turbo's, in a 05-09 Legacy GT, Outback XT? That would increase the market.

[pickleSlapOG]

I'd order one of these if you guys make a run of them!

[dcsti]

I'll buy one if it fits an 04 STi.

[simpleJ]

I am into the stock air box with modified intake tract idea so I am into this if I end up modifying the car that far.

If the price creeps up too high it makes the HKS dry carbon one more appealing as carbon is arguably a preferable material for the application.

That being said, I still want an sti aftercooler

[Wfosti35]

I’m stacking a bunch of parts for my 04 sti including almost everything killerb offers. That being said I’m in for one.

[thejaredhuang]

I can't see the pics in the OP, I'm super interested in at least seeing those but also would be interested in purchasing the hard inlet.

[vica153]

Seems like a bad idea. There are lots of turbo inlets out there already. Quite late in the EJ game to invest in making hard inlets. I might buy one if they already existed, but I wouldn't suggest investing a lot into making a new part for an old engine platform that isn't worth the higher price(for most users).

What are the real performance numbers? What kind of flow do you actually need to get before you see inlet collapsing issues? I would think it's quite high and doesn't actually apply to most people.

More importantly, if the inlet pressure is getting so low that the silicone inlet is collapsing, then the inlet needs to be larger. Making a hard inlet would eliminate collapsing, but that doesn't fix the problem that the inlet is too restrictive. With no collapsing, you could push the turbo harder, but the higher pressure ratio increases the work the turbo has to do and reduces the efficiency of the whole system.

If you added some intake manifold spacers to fit a larger inlet, then you still have the bottleneck at the bend behind the PS pump. I guess you could add a couple bypass hoses to get some more flow around that, but that getting complicated and making a rotated setup look easy.

[KillerBMotorsport]

Originally Posted by vica153

Seems like a bad idea. There are lots of turbo inlets out there already. Quite late in the EJ game to invest in making hard inlets. I might buy one if they already existed, but I wouldn't suggest investing a lot into making a new part for an old engine platform that isn't worth the higher price(for most users).

So many inlets have come and gone over time. Hard inlets are few, and none install as easy as ours. Not saying ours is magic, just different. The engine is old, but it's still in new 2021 models and the meat of our customers are those just out of their warranty. So I think we still have a few more years before the EJ market starts to drop.

Originally Posted by vica153

What are the real performance numbers? What kind of flow do you actually need to get before you see inlet collapsing issues? I would think it's quite high and doesn't actually apply to most people.

We say 14whp and 19wtq on a stage 1 STi. These are averages over several pulls, not cherry picked numbers. We're going to release all our data once we have a release date for the product, which should be soon.

No one can answer the collapse question because it depends on the inlet you use. Crappy ebay unit would collapse long before a quality brand. We've run 600whp through the Perrin and it didn't collapse.

Originally Posted by vica153

More importantly, if the inlet pressure is getting so low that the silicone inlet is collapsing, then the inlet needs to be larger. Making a hard inlet would eliminate collapsing, but that doesn't fix the problem that the inlet is too restrictive. With no collapsing, you could push the turbo harder, but the higher pressure ratio increases the work the turbo has to do and reduces the efficiency of the whole system.

If you added some intake manifold spacers to fit a larger inlet, then you still have the bottleneck at the bend behind the PS pump. I guess you could add a couple bypass hoses to get some more flow around that, but that getting complicated and making a rotated setup look easy.

The problem here is that the inlet doesn't just collapse, it can partially deform under various vacuum levels and potentially (hopefully not) collapse. Or not. When the silicon gets hot and has a decent vacuum pulled on it, it moves. Maybe a little, maybe not. A hard inlet is consistent under all conditions.

One of the other things you'll also notice, and comes into play in regards to flow/pressure drop is the shape. Nearly all the units out there have a sharp corner. Ours is MUCH more subtle and we grew the diameter in the corner to further reduce turbulence.

Adding intake spacers give some height, but you still have other issues that prevent enlarging a simple tube, plus the power steering pump is in the way. We have that all laser scanned, OEM inlet laser scanned, and so on. We have a whole engine laser scanned actually

Appreciate the feedback!

[Jedi03]

oh also i think should be in white like your headers...black lettering, look freakin awesome!!!!

[vica153]

Am I the only one that cant see the dyno plots referenced in the first page?

15WHP and 19WTQ over the OEM intake is nice, but the real question is how much over the average silicone inlet? Obviously there are lots of variables, but silicone inlet usually claim ~10WHP & ~10WTQ.

I do not doubt your ability to create a high quality product. I just figure it's a large investment and if its going to run +50%-100% higher cost than a silicone inlet, then it needs to perform a good bit better too. I could be wrong. Maybe people will drop the extra cash just to get 'the best' inlet.

[pickleSlapOG]

Not really worried about the performance cause I know you guys don't mess around but really I'd like to show support towards a super high quality part comming from a killer company. I would choose a killer b part over a perrin part any day!

[KillerBMotorsport]

Thanks for the feedback guys!

On the pic hosting, I'm waiting on a response from nasioc. Something with the img site is wonky and not letting us login. The pics I've posted were from our facebook posts, and it looks like those links may be dynamic. I'll try again...



I agree on the bang-for-the-buck. higher quality units are in the $200-$280 range. Ours being $300 should have better performance. Is that last $20-100 worth the extra 5hp and 8 ft/lbs? Maybe to some. To the Ebay bargain shoppers, our products are not a fit to begin with and I wouldn't say the products are comparable.

[KillerBMotorsport]

Forgot to mention...

We have committed to tooling, CNC programming, and so on. Hope to have some firm dates on availability soon.