The GFB 38mm Wastegate has been designed to cope with the brutal conditions of extreme exhaust temperatures, the EX38 Wastegate features not only a huge flow capacity, but also a compact size that is unmatched by competitors for a 38mm wastegate.
Supplied with a 7psi spring. Additional 5psi & 10psi springs are available & can be combined together in various combinations to allow boost pressures of 5psi, 7psi, 10psi, 12psi, 15psi, 17psi and 22psi. This is the largest range of boost pressures off-the-shelf.
Body, valve and seat are made from high-temp stainless steel.
– Actuator housing machined from billet 7075 aluminium – much stronger & harder than 6061
– Internal valve shroud protects valve stem from excessive heat and prevents carbon-related sticking
– Top-hat style Nomex-reinforced silicone rolling diaphragm for longer valve travel
– Brass boost hose connectors
– V-band clamp mounting system, supplied with 304 stainless weld-on adaptors (base flange is compatible with TiAl 38 flange)
– Quality & Performance unsurpassed
– GFB 7003

Radiator Cap - Violence - small head 1.3bar
Toyota 4EFTE Starlet manifold and dump pipe set (suit TD04/TD05 turbo)
Bosch 650cc injectors set (4) high impedence
BC Camshafts 4G63 EVO 4-8 stage 2 / stage 3 / 3+
SR20 turbo dump pipe S13, S14 T25 atmos venting
BC Camshafts 2JZGTE stage 2 / 3 / 4
DPR S14 S15 R33 rear camber arms
Wastegate dump pipe (screamer pipe) 40mm
Short shifter - Toyota GT86 / Subaru BRZ
PACE MAKER exhaust system - Ford Falcon FG XR6 turbo
Turbosmart Vee-Port Pro BOV Subaru fitment
Stainless Steel T-bolt clamp (to suit 1.50" hose)
BC Camshafts RB26DETT stage 2 / 3
Hybrid GT2 spec intercooler kit - Mazda 3 MPS Gen 1
GFB EX38 38mm V-band wastegate
Bosch 850cc injectors set (6) high impedence
PACEMAKER exhaust system - Holden Commodore VF Clubsport 6.0L and 6.2L LS3
Tial 50mm BOV Q (high flow) 