I looked pretty hard at the STS kit myself before I settled on the Radix. The thing that worried me most is that the air intake is under the truck unless you do a remote mount for it with a lot of extra piping. They say that water intake has not been a issue with the STS, but I would be worried for you guys that get out there off road in the deep water. Most of the STS users that I have read about are running street trucks. Another STS concern is that you should upgrade your fuel injectors and fuel pump as they are not included in the kit. Tuning isn't included either.
The Radix costs more but that is because it has everything included.
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1985 Corvette with 427 BBC and Jerico (in progress)
2004 GTO A4 stock 275.8 SAE RWHP / 287.1 SAE RWTQ
2004 H2 w/ Full Custom Radix pushing 6.5 psi and Magnaflow 1/4 mile: 15.058 @ 87.52 w/ 2.19 60 ft
2002 Firehawk #966 (Traded in)
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