Pair of high-quality silicone crankcase breather hoses, with billet check valve, for Audi 200 20V Quattro 3B engine. Exact replica of the original hoses for direct fitment, with a significantly longer service life than the original rubber.

Silicone breather hose kit, high-quality, replacing the problematic factory "spider" assembly. Modular design compatible with all factory breather configurations and easily adaptable to an aftermarket catch can.

Complete reinforced silicone breather hose kit, including all retrofit hardware for a simpler and more reliable design. Fits Audi A4 B6 2004-2005 1.8T AMB (VIN 8E-3-500000+).

Complete reinforced silicone breather hose kit, including all the retrofit hardware for a simpler, more reliable design. Fits Audi A4 B6 2003 1.8T AMB (VIN 8E-3-040000+).

Complete reinforced silicone breather hose kit, replacing the entire degraded original plastic/rubber breather system, for Audi A4 B5/B6 and VW Passat 1.8T engine codes AUG/AWM/AMB.

Kit complet de durites de reniflard en silicone renforcé avec clapet anti-retour PCV billet 034Motorsport inclus, pour Audi TT 225 ancien code moteur AMU.

Complete reinforced silicone breather hose kit, replacing the entire degraded original plastic/rubber breather system, for late-model Audi TT 225 with BEA engine code.

Complete reinforced silicone breather hose kit with integrated billet check valve, replacing the entire degraded original plastic/rubber breather system, for late-model VW MkIV 1.8T engine code AWP.

Complete reinforced silicone breather hose kit, replacing the entire degraded original plastic/rubber breather system, for transverse MkIV VW engine codes AWV/AWW/AWP up to model year 2002.

Complete reinforced silicone breather hose kit, replacing the entire degraded original plastic/rubber breather system, for 1.8T engines with AWD/ATC engine codes.

Billet blanking kit that removes the factory shortcut allowing oil to flow directly into the intake manifold, forcing crankcase ventilation through an aftermarket catch can, and providing a boost or intake injection tap point. Installation effort: low.

Reinforced silicone lower block breather hose, replacing factory plastic and rubber hoses prone to drying out. Fits a wide range of transverse-mounted Audi/VW 1.8T engines (06A, AWW/AWP/AWV/AMU).