Nov 18, 2020 · Chargepipe upgrades also allow the option to upgrade to a blow-off valve (BOV) rather than the stock diverter valves (DV). In this guide, we’ll discuss the benefits to N54 CP …

The famed revision of TiAL's original BV50 blow-off valve, the Q Series flows 60% more than its predecessor and bolts to any standard BV50 TiAL flange without welding.

Aug 8, 2004 · I just installed my brand new Tial 50mm BOV with an 11psi spring. A couple of things I noticed. 1 thing is the BOV makes barely any noise. I know its supposed to make a …

Mar 3, 2013 · Because the Evo X has a pseudo/hybrid speed density setup. The -6 spring in the X allows it to function like the stock BOV while still holding massive amounts of boost.

The QRJ BOV utilizes a Nomex-reinforced, silicone diaphragm. All CNC-Machined billet aluminum components complimented with stainless steel hardware. Engineered for control.

Oct 2, 2024 · TIAL valves are only adjustable by changing out the physical spring. Boost is just a relative mark for power. Timing is too. Just shooting for xx boost is short sighted IMO.

Aug 13, 2015 · For those of you guys using a Tial BOV, I highly recommend upgrading the vacuum line and nipple to full 1/4" ID. I've gone nearly a year using a 3.5mm ID (roughly stock) …

Mar 28, 2020 · There are more steps needed to put a BOV/BPV on the B58. Performance ECU calibration, Automotive Design, Engineering and Fabrication.

Torque Solution Tial Aluminum Modular Weld-On Flange Kit. Allows easy mounting of Tial Q or QR Blow off Valve by welding to your aluminum piping. With our modular configuration, you …

Tial Q Blowoff Valve for 2002-2014 Subaru WRX/STI - For use on turbo-charged and super-charged applications (Subaru Impreza WRX/STI). The body and all internal components are …