Just had this e-mail come through from LMF.

Z19DTH Induction Manifold Swirl Flap Removal Kit

This swirl flap removal kit allows you to re-use your original inlet/induction manifold, with the swirl flaps (which are prone to failure) REMOVED, meaning there is no need to replace your existing manifold.

Designed specifically to work with the Pierburg inlet manifold part number 55210201 , as fitted to 1.9CDTI 150BHP engines.

This kit consists of:
• 5 x Taper machined aluminium bushes
• 1 x BondLoc B603 locking compound (developed for oily environments)

Once 'De-flapped' the square runner of the manifold will now be free flowing with no swirl flaps.

Our aluminium bushes replace these plastic swirl flaps so there is no need to buy a new manifold

From testing and daily use of CDTI (150bhp) engine Astra Van, the manufacturer of this kit reports great results from fitting the De-flap kit.

No Engine management light, no rough running and no extra smoke
Engine idles just as before, through the revs it feels keener and responds to throttle inputs more quickly, and also feels more eager to rev to the redline
From testing, on a rolling road, before and after fitting the De-flap kit, the manufacturer witnessed a 3bhp gain in maximum power and a 3.5lb/ft torque gain after fitting the De-flap kit.

ONLY £39.95 inc VAT

£3.95 shipping to most UK addresses