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  1. Want to Buy/Want to Trade
    Looking for a Cobb SF intake for an 06 WRX. Wanting to buy full system (intake, airbox, post MAF hose) but let me know what you've got! Also, I have for sale, a Cobb SF intake system for 2015-2018 STI. I would do a direct trade with this. Thanks
  2. Newbie Forum
    Hey guys, just installed a MishiMoto cold air intake into my 2011 Wrx. Noticed after install the slight power gain and the incredible sound difference. But i noticed since the install around 4K rpm the boost cuts? Or the car stutters. It’s weird. Seem like i hit a wall at 4K then after that the...
  3. Parts For Sale (WRX-specific)
    I've got a cobb SF complete intake system (intake, heatshield, post MAF hose) that will fit a 15-18 STI. Has all the brackets, screws and clamps. In good condition, was used for about a year. The filter is a little scrunched from pushing up against the side of the car, but no issues other than...
  4. Parts For Sale (WRX-specific)
    Selling various parts from my 2015 WRX - willing to do bundle pricing, feel free to make an offer I also have an excellent e35 to e65 tune for the CAI + EtOH sensor kit, done by the BoostCreep - a COBB protuner in Colorado, great people! Can discuss pricing if interested GrimmSpeed...
  5. HKS Intake

    HKS Intake

    HKS Super Mega Flow reloaded. Seen it in all of the magazines, looked nice, so I put one on. I can really hear the BPV now.