Titanizing will not affect the weight of the connecting rod;. Titanizing can further improve the bending strength of the product;. Compatible for Audi TT 8N3 2003-2006 Coupe 3.2 24V for VR6 quattro. Compatible for VW - Golf 1999-2005 (MK4) VR6 2.8L 12V VR6 & 2.8L 24V engines.