TRD Cold Air Intake - New Style and Where Can I Find the Old Style

Its good for what it is. I have the APR X1 which is the best tuning system for the 1grfe. however it is also the most expensive and more time consuming to install. URD is supposedly working on a haltech ecu but I don't how good it is or how much it costs.
 
Well when I put in the K&N drop in I noticed a little diff. Then the TRD catback and I noticed a big diff. Next was the aFe CAI... It sounded throughtier and a little pepier at higher RPMs. At lower R's it didn't have what I would expect. It even seemed to not down shift correctly and bog. After I installed the URD cali it had the get-up-an-go I expected. It comes pre-programmed with a tune specific for the aFe intake.

I have a modified RX7 and know that all the bolt on crap in the world won't make your car really fast with out a tune (Programable fuel computer). I would have liked to get the APR X1 like Skyline, but I just can't justify spending that amount on the T4R.

The URD was well worth the $200 and really easy to install.
 

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