Anyone had any experiance with the dblias flow tec inlet manifolds, does it do what it says on the tin?
dblias are claiming [glow=#ff0022:fd9f758b90]23[/glow:fd9f758b90] bhp increase on a Astra G 2.2
Astra G, Vectra B, Vectra C, Zafira A
2,2 16V 108kW
All prices include a elektronic update of the engine managment
* = Kit include a High-Flow Exhaust manifold