Special o-ringed billet block-off plug with integrated fitting for aftermarket boost pressure gauge fills opening left after removal of screen element

Supplied hole cutting tool allows easy removal of restrictive screen element from inside of intake manifold

Riva testing has determined stock ECU will compensate for increased boost

These items are designed exclusively for closed course competition use ONLY. Use on public lands and/or waterways in the state of California is illegal

Produces more power through increased boost pressure (+1lb)