Increase throttle response and upgrading to this chargepipe decreases turbo lag. Upgrade for your F Series BMW with the B58 engine. This chargepipe is constructed from mandrel bent, T6061 grade aluminum including the flanges.Increase throttle response and upgrading to this chargepipe decreases turbo lag. Upgrade for your F Series BMW with the B58 engine. This chargepipe is constructed from mandrel bent, T6061 grade aluminum including the flanges.
