K&N Mustang American Iron RTR

Fully Filtered: Dave Martis' K&N Engineering Ford Mustang RTR

by Justin Banner

I haven’t known Dave for very long, in fact the day I pulled into K&N Engineering to shoot the car and get the details of the build was the first time I met him face to face. We met when I enquired at the CorteX shop about his car as it was being built and was drooling over the details that I could only just see. I asked if I could do something on the car itself, mostly expecting to get pictures from CorteX and some marketing material when I asked about Dave’s car on Facebook. Instead, they introduced me to him.


K&N Mustang American Iron RTR

Dave Martis works at the race shop of K&N Engineering where they build intakes and filters for many of the racecars we enjoy watching in the NHRA, IHRA, Indy Car, NASCAR, or even on the road course. He enjoyed the idea of getting the car on MotoIQ and even agreed to stay late, along with his shop guys, so that I could get these detailed shots of the car. They were very gracious with any requests I made and were more than happy to point out  the many details of the car and explain anything I had questions on.

K&N Mustang American Iron RTR

The car itself started life as a body in white. For those of you who are unfamiliar, a body in white is when the manufacturer sends you a chassis without the engine, drivetrain, suspension, windows, etc., basically the most perfect way to build a brand new race car. As they were deciding where they wanted to race the car, they got a call from the RTR brand that Vaughn Gittin, Jr created  in conjunction with Ford Motorsports. RTR was already involved in American Iron with Chris Cobetto in the East Coast and really wanted a West Coast car as well. So, it was a no brainer and decided that they would run in AI class as a Mustang RTR.

K&N Mustang American Iron RTRIt's more than just RTR badges, there's the front air dam, side skirts, and rear diffuser mixed in with the more functional elements allowed in the AI class.
K&N Mustang American Iron RTRNow it's time to see what makes this RTR the incredible machine it has become!
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Thursday, April 17, 2014 7:21 AM
Absolutely beautiful car, well thought out and executed, and exactly what I expect out of these guys having seen them work on the G35 time attack car. Their car was always very well prepped and spotless (easier to spot problems like fluid leaks on clean cars). RIP Paul Brown.
Dan DeRosia
Dan DeRosialink
Thursday, April 17, 2014 1:52 PM
This may be dumb of me, but the Drexler LSD stood out - didn't know they did those for the 8.8 and it makes it the first actual good plate style LSD for the 8.8 I've heard of.
Thursday, April 17, 2014 3:44 PM
Thanks for the article on this car, I've been looking for more track oriented offerings for the Mustang & would love to see more on Cortex parts compared to the usuall Whiteline go-to parts. Especially the bolt on Torque tube!
Mike Kojima
Mike Kojimalink
Sunday, April 20, 2014 11:49 AM
Great article Justin!
Cory M
Cory Mlink
Friday, May 20, 2016 2:00 PM
There's a lot going on with this car. Quite a build. Nice article and pics too, love all the details.

I worry about that SFI rated bellhousing though - do they make you buy a new one every 2 years like they do with belts? :)
Tuesday, May 24, 2016 9:37 PM
Geez, thanks for reminding me why I can never go AI! AI doesn't run 450-500hp, that'd be AIX. Unless the car weighs over 4000#. ~360whp is where most AI cars will be give or take depending on weight. 9:1 without ABS, and 9.5:1 with 2005+ Ford ABS. If this car can't crush at Nats, something is seriously wrong. Super cool that a bolt in SLA kit exists for these cars!
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