JLT's new 127mm CFCAI testing, results & info

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Old 3/28/11, 11:22 AM
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JLT's new 127mm CFCAI testing, results & info

This has been a long time in the making, but we are in production and shipping kits daily.
While our 110mm CAI works great and as advertised, many cars are hitting RWHP numbers we never would have expected in 2006 and a larger intake is needed for better tuning.
Because of this we designed a one piece all carbon fiber intake that measures 127mm ID at the MAF. When we developed our 2011 Mustang GT 5.0 intake we did something completely different for us and incorporated the MAF housing into the tube. This made for a much smoother interior without any transitions, steps or couplers to upset the air flow. Another benefit is the over all look is just plain awesome!
For more details check out the web site: JLT 127mm CFCAI
Ok, so let’s get to some test results.
We grabbed a 08 GT500 last month and did some before and after runs on the dyno.
This car dynoed pretty high for stock, but ended up right where most do with 492 RWHP and 445 RWTQ with the 110mm CAI. We added the 127mm CAI and mail order tune to the results of 505 RWHP and 463 RWTQ.

We saw some pretty good mid range HP gains and about 18-20 RWTQ gains on this particular car. We thought that was kind of high for a stock GT500 over our 110 CAI so we got another stock GT500 this past weekend.
This next car dynoed a little low, but ended up right where they all do. We made 3 stock runs and used the highest run as the comparison and then added the JLT 110/tune then the 127/tune.
The 110mm CAI gained 70 RWHP and 42 RWTQ, but the 127mm CAI gained 80 RWHP and 63 RWTQ. The 127 gained 10 peak RWHP and 20 RWTQ over the 110mm, but even more through out the mid range.

I would have never guessed the gains over our existing kit would be so much, but it is what it is. The bottom line is the 110mm CAI has proven to be one of the best and gains the numbers we advertise.
We don’t just look forward, but are always going back and doing more testing on our products to look for improvements. So if you have a 110mm CAI, you’re good, it’s working as designed. If you’re in the market for a CAI and want to save a few bucks, it’s a perfect kit, but the new 127mm CAI has a cleaner look and can handle much more power as you build your car.
Thank you for reading and if you have any questions feel free to give us a call.
Today we have real Carbon Fiber kits available with black textured plastic and color matched kits coming in 4-8 weeks.
Retail only $449 in CF
Plastic TBD
Here are videos of the 2 test we did:
First test JLT 127mm CAI

Second test JLT 127mm CAI




Old 4/5/11, 08:24 AM
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Ok, so we got the 2008 GT500 back in this weekend for a pulley swap.
Saturday morning I swapped the stock pulley for the Metco 2.6, Metco double bearing idler and installed the NGK spark plugs.
We wanted to do the same intake test we did last week, so I installed our JLT 110mm CAI and our mail order tune and hit the dyno. After a couple runs we swapped the 110mm CAI for our new 127mm CAI and mail order tune for a couple more runs.
Here are the results from the 110mm CAI with just the pulley swap:

Notice where I marked it the gains from the pulley are huge, 48 RWHP and 52 RWTQ
Here are the results from the 127mm CAI with just the pulley swap:

Also noted here on graph the gains from the pulley were 45 RWHP and 46 RWTQ.
This is the difference between the 110mm and the 127mm with the 2.6 pulley:

Killer gains from just the pulley!
So again, the parts are gaining about what they should, but the 127 seems to be out powering the 110mm by some good HP and TQ across the board.
Carbon Fiber kits are in stock and ABS plastic kits will be another 6-8 weeks.
Check out the web site here: JLT intake kits for GT500's
Check out the video we did showing the basics of a pulley swap and our test results: JLT shows you a pulley swap and tests cold air intakes on GT500

Also note, we have this kit available for the 2010-2012 GT500 as well. It's a different heat shield and couple at the throttle body, but other wise the same. The heat shield for the 10-12 uses the air inlet from the grille and seals to the hood.
We do not have tunes for these cars at this time. You will need to get it custom dyno tuned or wait for some of our dealers to get the tunes nailed down. So because of this I do not have power gains for you today. We just know it fits.
I will get it up on our site later today


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