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Looking for aftermarket parts to modify or upgrade your 2004 Mazda Miata with blow off valves? At Tunersports.com we carry a huge selection of the top name brand performance blow off valf parts and accessories.
 IN STOCK - DROPSHIPS T9520Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're not prepared to listen to it all the time. GFB's Deceptor Pro II delivers just what you need ? the ability to control how loud your BOV sound is, from t... GFB Deceptor Pro II Blow Off Valve - 20mm Inlet/20mm Outlet 2004-2005 Mazda Miata Mazdaspeed $472.68 |
 IN STOCK - DROPSHIPS T9120With its single venting outlet, the Mach 2 is configured from the factory for full recirculation (i.e. plumb back, diverter, bypass) venting for the performance-minded who just want the benefits without the sound.... GFB Mach 2 TMS Recirculating Diverter Valve - 20mm Inlet/20mm Outlet 2004-2005 Mazda Miata Mazdaspeed $180.45 |
 IN STOCK - DROPSHIPS T9020If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons ... GFB 04-05 Miata / 93-98 Supra (w/ modification of factory hoses) TMS Respons Blow Off Valve Kit 2004-2005 Mazda Miata Mazdaspeed $320.85 |