GFB 30mm Plumback Adaptor (Standard fitting on 1001 1003 1008 1010 and 1011) - 5230 MSRP: $24.15 Was: Now: $21.74 Add to Cart
GFB 38mm Hose Mount Inlet for Mach2/Hybrid/Respons/Deceptor Pro II - 5339 MSRP: $30.45 Was: Now: $27.41 Add to Cart
GFB 4003 Short Shifter Upgrade Kit - makes 4003 into 4002 - 4202 MSRP: $105.00 Was: Now: $94.50 Add to Cart
GFB 4AN Vacuum Fitting for Mach2/Hybrid/Response/Deceptor Pro II - 6215 MSRP: $16.75 Was: Now: $15.08 Add to Cart
GFB 5/16in Hose Barb to 1/8in NPT Male (Suits FXS 8050) - 5740 MSRP: $11.55 Was: Now: $10.40 Add to Cart
GFB 91-98 Nissan Silvia / 90-96 Nissan 300ZX (requires 2 kits) TMS Respons Blow Off Valve Kit - T9035 MSRP: $332.00 Was: Now: $298.80 Add to Cart
GFB 94-02 Nissan Silvia S14/S15 TMS Respons Blow Off Valve Kit - T9004 MSRP: $332.00 Was: Now: $298.80 Add to Cart
GFB 94-98 Subaru WRX Light-Weight Engine Pulley (Crank/Alternator/Power Steering Pulleys/Belts inc) - 2003 MSRP: $350.00 Was: Now: $315.00 Add to Cart
GFB 99-00 Subaru WRX/Forrester GT Light-Weight Engine Pulley Kit - 2002 MSRP: $350.00 Was: Now: $315.00 Add to Cart
GFB 99-00 WRX/STi / 98-04 GT/XT Forester Direct Fit Deceptor Pro II - T9500 MSRP: $490.00 Was: Now: $441.00 Add to Cart
GFB 25mm Plumback Adaptor - 5225 A 25mm Recirc Adaptor Recirc Outlet Hose Adaptors for all GFB Valves MSRP: $24.15 Was: Now: $21.74
GFB 30mm Hose Adaptor Base - 5330 A 30mm Hose Adaptor Base Inlet Adaptors for Deceptor Pro and Respons TMS Valves MSRP: $30.45 Was: Now: $27.41 Add to Cart
GFB 30mm Plumback Adaptor (Standard fitting on 1001 1003 1008 1010 and 1011) - 5230 GFB 30mm Plumback Adaptor (Standard fitting on 1001 1003 1008 1010 and 1011) MSRP: $24.15 Was: Now: $21.74 Add to Cart
GFB 33mm Hose Adaptor Base - 5333 A 33mm Hose Adaptor Base Inlet Adaptors for Deceptor Pro and Respons TMS Valves MSRP: $30.45 Was: Now: $27.41 Add to Cart
GFB 33mm Plumback Adaptor - 5233 A 33mm Recirc Adaptor Recirc Outlet Hose Adaptors for all GFB Valves MSRP: $24.15 Was: Now: $21.74 Add to Cart
GFB 35mm Hose Adaptor Base (Standard fitting) - 5335 A 35mm Hose Adaptor Base Inlet Adaptors for Deceptor Pro and Respons TMS Valves MSRP: $30.45 Was: Now: $27.41 Add to Cart
GFB 38mm (1.5inch) Alloy Weld-On Adaptor - 5604 GFB 38mm (1.5inch) Alloy Weld-On Adaptor MSRP: $11.55 Was: Now: $10.40 Add to Cart
GFB 38mm (1.5inch) Stainless Weld-On Adaptor - 5605 GFB 38mm (1.5inch) Stainless Weld-On Adaptor MSRP: $15.75 Was: Now: $14.18 Add to Cart
GFB 38mm Hose Mount Inlet for Mach2/Hybrid/Respons/Deceptor Pro II - 5339 GFB 38mm Hose Mount Inlet for Mach2/Hybrid/Respons/Deceptor Pro II MSRP: $30.45 Was: Now: $27.41 Add to Cart
GFB 38mm Pipe-Mount Base - 5338 A 38mm Pipe-Mount Base Inlet Adaptors for Deceptor Pro and Respons TMS Valves MSRP: $30.45 Was: Now: $27.41 Add to Cart
GFB 4003 Short Shifter Upgrade Kit - makes 4003 into 4002 - 4202 True to our philosophy of Performance Without Compromise, GFB's Short Shift Kits are designed with a unique linkage system that means the shift throw is fully adjustable whilst retaining the stock... MSRP: $105.00 Was: Now: $94.50 Add to Cart
GFB 44mm V-Band External Style Wastegate - 7002 The 7002 wastegate features an investment cast body made from 253MA chromium-nickel stainless steel, a one-piece stainless steel valve, and a nomex reinforced diaphragm to cope with the extreme... MSRP: $419.00 Was: Now: $377.10 Add to Cart
GFB 4AN Vacuum Fitting for Mach2/Hybrid/Response/Deceptor Pro II - 6215 GFB 4AN Vacuum Fitting for Mach2/Hybrid/Response/Deceptor Pro II MSRP: $16.75 Was: Now: $15.08 Add to Cart
GFB 5/16in Hose Barb to 1/8in NPT Male (Suits FXS 8050) - 5740 A 5/16 in. Hose Barb to 1/8 in. Npt Male (Suits Fxs 8050) Specific Sized Replacment Fuel Line Fitting to Suit Part Number 8050. MSRP: $11.55 Was: Now: $10.40 Add to Cart
GFB 52mm Boost Gauge 30psi - 3730 GFB 52mm Boost Gauge 30psi MSRP: $76.90 Was: Now: $69.21 Add to Cart
GFB 91-98 Nissan Silvia / 90-96 Nissan 300ZX (requires 2 kits) TMS Respons Blow Off Valve Kit - T9035 If 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... MSRP: $332.00 Was: Now: $298.80 Add to Cart
GFB 94-02 Nissan Silvia S14/S15 TMS Respons Blow Off Valve Kit - T9004 If 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... MSRP: $332.00 Was: Now: $298.80 Add to Cart
GFB 94-98 Subaru WRX Light-Weight Engine Pulley (Crank/Alternator/Power Steering Pulleys/Belts inc) - 2003 It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable amount of... MSRP: $350.00 Was: Now: $315.00 Add to Cart
GFB 99-00 Subaru WRX/Forrester GT Light-Weight Engine Pulley Kit - 2002 It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable amount of... MSRP: $350.00 Was: Now: $315.00 Add to Cart
GFB 99-00 WRX/STi / 98-04 GT/XT Forester Direct Fit Deceptor Pro II - T9500 Control 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... MSRP: $490.00 Was: Now: $441.00 Add to Cart
GFB 99-00 WRX/STI TMS Respons Blow Off Valve Kit - T9000 If 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... MSRP: $332.00 Was: Now: $298.80 Add to Cart