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SLP Engineering OE airbox lid for all f-cars

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Old 04-23-2002, 02:41 PM
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Default SLP Engineering OE airbox lid for all f-cars

This came up over the weekend at SLP day.

SLP Engineering developed an OE airbox lid for their 2002 cars (SS and Firehawk). Currently, it is only available to SLP car owners. SLP Engineering is considering making the lid available to all LS1 f-car owners.

<img src="http://www.slpeng.com/2002camaross/image_large/AirboxLarge.jpg" alt="" />

This is the lid GM should have put on our cars as OE. SLP Engineering stepped up and did it instead. You get the best of both worlds, a free flowing lid that is considered OE by GM. No worries about swapping lids if you have to go in for service.

The SLP Engineering lid is constructed of the same material as the stock lid (considerably stronger than aftermarket lids). All hoses and fittings meet the stock fittings in the exact location. No need for a small K&N or stretching the airpump hose on 2000 and up cars. There would also be a version with no hose for 98 and 99 f-cars. The kit comes with a Donaldson filter that was tested and verified to flow better than a K&N filter.

If any non-SS/Firehawk owners are interested in this, please respond here.
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Old 04-23-2002, 03:27 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

Did they announce a price? If I remember correctly, that was an expensive upgrade on the '02's!

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Old 04-23-2002, 03:49 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

I might be interested in that depending on the price.
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Old 04-23-2002, 04:32 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

MTI must be flattered that SLP & GM decided to copy their design and use it as an OE part. It makes great power and doesn't effect emissions or driveablity - what's not to like? <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
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Old 04-23-2002, 05:21 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by LEO:
<strong>MTI must be flattered that SLP & GM decided to copy their design and use it as an OE part. It makes great power and doesn't effect emissions or driveablity - what's not to like? <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">a good idea that has been screaming for an OE solution for years. We kinda got a going away present from GM with this. SLP had this ready last year, but GM nixed it. <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" />

It has the same outer dimensions of the stock lid, but the inside has been cleaned out. It includes a Donaldson Blackwing filter. I was told if you did a comparision against aftermarket lids, you would not be disappointed. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

I found a few pics I had saved from SLP press day last year.

<img src="http://www.frontiernet.net/~face440/SLPOElid-side.jpg" alt="" />

http://www.frontiernet.net/~face440/SLPOElid-front.jpg
http://www.frontiernet.net/~face440/SLPOElid-angle.jpg

<small>[ April 23, 2002, 05:32 PM: Message edited by: ChrisL ]</small>
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Old 04-23-2002, 07:30 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

I can't host the pics but I think you'd better ask Bulldog (Bulldog1 on Firehawk forums with a 2002 SOM Firehawk) to do it.

We took pics and compared his new OE lid to the old SLP aftermarket lid on my Firehawk . . . UH OH <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" />

Both Bulldog and I would say there is little chance THAT THE NEW $300 OE LID WOULD FLOW BETTER THAN ANY OTHER AFTERMARKET LID.

Pics don't lie. When Bulldog posts the pics, we wanted to request flow-bench data, dyno-graphs, track times or ANYTHING to validate SLP's increased hp claim. (All of which I already attempted from Jeffy the chief engineer at SLP in this thread http://www.hoodscoop.com/ubb/ultimat...;f=2;t=005501)

To quote Bulldog: "The new lid looks like a Home Depot hack job . . . " . . . I tend to agree.

Just look where the lid meets the MAF . . . there's a separate piece that attaches the OE lid to the MAF . . . not a uniform piece such as that which comes with all other aftermarket lids (including the previous SLP lid).

Also, Bulldog and I were gonna ask the following question when he was able to post the comparison pics in order to better describe our query: WOULDN'T THIS NEW LID RESTRICT AIR-FLOW AND CAUSE TURBULENCE WHEN COMPARED TO OTHER AFTERMARKET LIDS??

Reason: the pathway for air-flow on other lids is circular not oval.
Plus, the point where the new OE lid meets this oval section is MUCH shorter than other lids.

With other lids, air-flow gets a chance to flow uniformly from the top of the lid straight back to the Intake via a circular pathway.

The new OE lid actually bottle-necks at the top of the lid just before it enters the circular and taller MAF/TB/BELLOWS/INTAKE.
Wouldn't this cause more turbulence and hence a decrease in air-flow and hp?? <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" />
Correct me if I'm wrong gentlemen but all doesn't sound right in Kansas.

<small>[ April 23, 2002, 07:41 PM: Message edited by: The Dragon ]</small>
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Old 04-23-2002, 08:02 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

The SLP lid is much taller as air passes into TB area, this has to help flow and it adds flow volume on motor side of restriction(filter). I would be interested to see Dyno or track comparison to other Lids.
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Old 04-23-2002, 08:56 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

Here we go again.....

You can eyeball the lid all you want. Not very scientific. There is flow data. It is proprietary. That is why SLP Engineering cannot release it. (read here there was a contractor involved, Donaldson) If you want comparison data, some dillegent enthusiast is going to have to do it.

The info I have is direct from JeffY. He told me his bogey was it HAD to perform BETTER than an aftemarket lid with K&N. Jeff knew this setup would cost more than an aftermarket lid. OE standards require extensive and expensive testing. If it could not meet this objective, then the product would not be offered. His words... "I cant sell a product at this price if it does perform at that level." Does that mean it will be twice as good, of course not.

If you choose not to believe him or me, fine. I know Jeff very well, and I take him at his word. I wouldnt post info if I didnt.

If you choose to spend less money on another product, fine. I am not making any money on this, believe me.

This is an OE offering entering a crowded field of many aftermarket offerings.

To some, OE fit and finish is important, to others, it isnt. I am simply relaying facts so folks can form their own opinions and make their own decisions.
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Old 04-23-2002, 08:59 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

Plus $300+ just to have a OEM lid....I'll pass... <img border="0" alt="[bullshit]" title="" src="graemlins/gr_bs.gif" />
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Old 04-23-2002, 09:21 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by SunsetWS6:
<strong>Plus $300+ just to have a OEM lid....I'll pass... <img border="0" alt="[bullshit]" title="" src="graemlins/gr_bs.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">It's not $300, but yes it is costly. Pricing is to be determined.
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Old 04-23-2002, 10:13 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

Well "Shack" off the SLP board just got one reading that post and he said
The price is $279 + Shipping for a total of $298.95. Just got mine last week.

So the lid isn't $300, its $298.95 <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" /> I have a SS and I'll still pass <img border="0" alt="[bullshit]" title="" src="graemlins/gr_bs.gif" />
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Old 04-23-2002, 11:04 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

They would have to show serious gains over their aftermarket lid (the $99.00 one) and K&N combo vs this new aftermarket lid to justify $300.00. There might be a lot of used lids for sale in the future! <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Old 04-23-2002, 11:08 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

Anyone who clicks on this thread and CANNOT read the link I posted above, please let me know and I'd be very happy to cut and paste the entire link word for word <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

As I said in the link, I'm not disputing any POSTED performance facts . . . since there are none <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

I'm merely trying to offer knowledge to those who are new to performance modification and wrenching <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

To LS1derfull and Chris L . . . you guys are flat out WRONG.

The new OE lid is NOT taller than the previous SLP or any other aftermarket lid for that matter.
Bulldog and I were looking at IDENTICAL ENGINE BAYS . . . duh <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> As I mentioned previously, he should be posting the pics on SLP forums this week (think I'll call him tomorrow to light fire under that so all this can be put to rest)

Quote LS1derfull: The SLP lid is much taller as air passes into TB area,
<img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" /> WTF?? A lid does not even touch the TB dude.

Quote NaSSty: So the lid isn't $300, its $298.95

<img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

SLP makes some very good products . . . I just need some PROOF on this one (because "eyeballing" it ain't lookin' too good)

<small>[ April 23, 2002, 11:11 PM: Message edited by: The Dragon ]</small>
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Old 04-24-2002, 08:05 AM
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Default Re: SLP Engineering OE airbox lid for all f-cars

Now I'm bumming. <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" /> Because the SLP home
page sez this lid is supposed to be part of
the $1399 "Performance Package", which I got
charged for, only this lid isn't there -
it's the regular old stock assembly.

Wonder if I got mine "replaced" somewhere
up the chain (like dealer mechanic saw
something they liked) or if SLP didn't
give me something they advertised to.

SLP's pages aren't a hard link hierarchy so
I can't give you an URL that takes you right
there; have to go down through the {2002 Camaro
SS}, {Optional Content}, {"All-New" Twenty
Horsepower Performance Package} clicks from
http://slpeng.com/2002camaross/index.html

Any SS owners out there who got this package,
(like after Jan '02), and did you or didn't
you get this SLP induction stuff as part of the
bundle?
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Old 04-24-2002, 08:10 AM
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Default Re: SLP Engineering OE airbox lid for all f-cars

It is the same dimensions as the stock lid from the outside.

Folks, back down with the flames. If you dont like it, dont want it, costs too much for you, fine. This setup wont be for everyone.

OE parts cost more than aftermarket. Always did. Always will.

If you are looking for the best "deal", then get an aftermarket lid.

If you are looking for OE fit and finish with excellent performance, this is for you.

If not, fine, move along.
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Old 04-24-2002, 08:14 AM
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Default Re: SLP Engineering OE airbox lid for all f-cars

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by jimmyblue:
<strong>Now I'm bumming. <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" /> Because the SLP home
page sez this lid is supposed to be part of
the $1399 "Performance Package", which I got
charged for, only this lid isn't there -
it's the regular old stock assembly.

Wonder if I got mine "replaced" somewhere
up the chain (like dealer mechanic saw
something they liked) or if SLP didn't
give me something they advertised to.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">depends when your car was built. The early 02s didnt get the airbox. The price of the SLP exhaust option was increased when they added the lid. Best bet is to swing over to the SLP Engineering board into the Camaro SS forum and ask when they put the lid into production. If you paid the higher price, you should have gotten the lid.

http://www.slpeng.com/slpforum/index.html

<small>[ April 24, 2002, 08:16 AM: Message edited by: ChrisL ]</small>
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Old 04-24-2002, 08:20 AM
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Default Re: SLP Engineering OE airbox lid for all f-cars

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by The Dragon:
<strong>Anyone who clicks on this thread and CANNOT read the link I posted above, please let me know and I'd be very happy to cut and paste the entire link word for word</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">You had an extra comma at the end of the url.

http://www.hoodscoop.com/cgi-bin/ult...c;f=2;t=005501
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Old 04-24-2002, 09:46 AM
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Default Re: SLP Engineering OE airbox lid for all f-cars

This is a brand new '02, off the truck less
than 3 weeks ago. On the SLP 'board I saw some
dude who got his in March, and he got the SLP
induction (lid, filter, bellows hose) on his.

SLP Forum won't let me sign up w/ my Hotmail
email address, so I wasn't able to post a
direct question; not supposed to use company
email for play.

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by ChrisL:
<strong> </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by jimmyblue:
<strong>Now I'm bumming. <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" /> Because the SLP home
page sez this lid is supposed to be part of
the $1399 "Performance Package", which I got
charged for, only this lid isn't there -
it's the regular old stock assembly.

Wonder if I got mine "replaced" somewhere
up the chain (like dealer mechanic saw
something they liked) or if SLP didn't
give me something they advertised to.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">depends when your car was built. The early 02s didnt get the airbox. The price of the SLP exhaust option was increased when they added the lid. Best bet is to swing over to the SLP Engineering board into the Camaro SS forum and ask when they put the lid into production. If you paid the higher price, you should have gotten the lid.

http://www.slpeng.com/slpforum/index.html</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">
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Old 04-24-2002, 02:06 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by jimmyblue:
<strong>This is a brand new '02, off the truck less
than 3 weeks ago. On the SLP 'board I saw some
dude who got his in March, and he got the SLP
induction (lid, filter, bellows hose) on his.

SLP Forum won't let me sign up w/ my Hotmail
email address, so I wasn't able to post a
direct question; not supposed to use company
email for play.

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by ChrisL:
<strong> </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by jimmyblue:
<strong>Now I'm bumming. <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" /> Because the SLP home
page sez this lid is supposed to be part of
the $1399 "Performance Package", which I got
charged for, only this lid isn't there -
it's the regular old stock assembly.

Wonder if I got mine "replaced" somewhere
up the chain (like dealer mechanic saw
something they liked) or if SLP didn't
give me something they advertised to.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">depends when your car was built. The early 02s didnt get the airbox. The price of the SLP exhaust option was increased when they added the lid. Best bet is to swing over to the SLP Engineering board into the Camaro SS forum and ask when they put the lid into production. If you paid the higher price, you should have gotten the lid.

http://www.slpeng.com/slpforum/index.html</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif"></strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I would call SLP in Troy. 248-288-3066

The lid is included on all new SSs that have the SLP dual-dual or SLP CME exhaust systems.

<small>[ April 24, 2002, 02:10 PM: Message edited by: ChrisL ]</small>
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Old 04-24-2002, 03:32 PM
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Default Re: SLP Engineering OE airbox lid for all f-cars

I don't want to fan the flames, but I have yet to realize a performance gain with the new lid. I just had my 100% stock '02 Hawk (with the new slp stock lid) dyno at 302hp and 318tq on a Mustang dyno (1800 miles on the car). There were two other 2001 Firehawks there, one of them pulled 305hp (a 10th anniv. Hawk), and the other 308hp (regular Hawk). One guy had an SLP Y-pipe, aftermarket lid, SLP bellows, and SLP dual/dual exhaust, and he pulled 318hp. I was really surprised when I saw the new lid and it still had the oval at the back. But then again, the taller lids rub a little on the hood, so maybe clearance issues prevented them from putting the SLP aftermarket lid on it.

I know that the LS1 starts coming alive later in it's life, so maybe I still have more power in there that is unrealized, but I still though that I should have had slightly higher numbers than I did.

'02 Hawk #646
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