AUDI There is 1 product.

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  A4 (B6)

  Audi A4 B6 Silicone Hoses 1.8T 20V - Turbo K04 Compatible - Permanent Stock - 24h Express Delivery

  REDOX silicone hoses for Audi A4 B6 are specifically engineered for A4 B6 models (2000-2005) with 1.8T 20V 163hp engines. Compatible with K04 turbo conversions from Audi S3 for upgrades up to 240hp. 4-5 ply VMQ reinforced construction, 0.2" wall thickness, temperature resistance -58°F to 356°F, turbo pressure 43 PSI guaranteed.

  Immediate stock and fast shipping guaranteed: Our European warehouse permanently stocks all A4 B6 references. Intake hoses, turbo boost hoses, intercooler circuit available immediately. Orders before 5 PM ship same day via GLS, delivery 24-48h throughout Europe. Reinforced Audi parts packaging included.

  Available Audi A4 B6 applications: 1.8T 20V engines (AVJ, BEX, BFB) 150-190hp, Quattro and FWD versions, compatible Stage 1-2 tuning, K04 S3 turbo adaptations, Avant wagon and sedan variants. Colors black, red, blue available.

  Superior technical specifications: German quality VMQ silicone, temperature -58°F to 356°F continuous (peaks 392°F), pressure 43 PSI turbo standard (72 PSI reinforced versions), minimum 15-year lifespan, stainless clamps included or available separately.

  A4 B6 pricing: Intake hose: $73 Turbo hose: $85 Complete kit: $210 Shipping: $11.50 (free over $170)

  Audi A4 B6 FAQ - Frequently Asked Owner Questions

  Do the hoses fit all A4 B6 1.8T models? Yes, compatible with all 1.8T 20V engines in A4 B6 (2000-2005): AVJ 150hp, BEX 190hp, BFB 163hp. Fits FWD and Quattro versions, sedan and Avant. Same compatibility for Seat Exeo based on A4 B6. For V6 or TDI engines, we have specific references available on request.

  What's the difference from OEM Audi hoses? Our silicone hoses better resist turbo heat (-58°F to 356°F vs -22°F to 248°F OEM), maintain pressure without swelling (common B6 issue), 15-year lifespan vs 5-7 years VAG rubber, compatible with modern E10/E85 fuel, don't harden with age unlike originals known to crack on B6.

  Do the hoses support S3 K04 turbo? Perfectly suited for K04 conversion! Our hoses withstand increased pressure (43 PSI continuous), higher K04 temperature, increased flow without restriction. Many customers with successful K04 swaps. 5-ply reinforced version available for tuning >250hp. FMIC compatible without modification.

  How to solve common boost problems on A4 B6? Boost leaks are frequent on aging B6s. Our hoses eliminate: OEM hose deformation under pressure, invisible micro-cracks causing losses, loosening connections. Complete installation solves 90% of boost problems. Recommended: pressure test after installation, check N75 simultaneously.

  Is installation complex on the B6? Installation accessible for skilled DIYer. Time: 1-2h complete kit. B6 challenges: access to hose behind alternator, connection under intake manifold. Tip: remove complete engine cover, work with warm engine. B6-specific instructions with photos included. Technical support available.

  What maintenance maximizes lifespan on B6? Annual visual inspection recommended (check for oil traces). Retighten clamps after 600 miles break-in. External cleaning with soapy water possible. Compatible with all VAG coolants G12/G13. Resists engine oil in case of turbo leak. No special treatment required unlike OEM rubber.

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  S3 (8L)

  Audi S3 8L Silicone Hoses 1.8T 20VT 225hp - Complete 15-Piece Kit - Permanent Stock - 24h Express Delivery

  REDOX silicone hoses for Audi S3 8L are specially engineered for the iconic first-generation S3 (1996-2003) with 1.8T 20VT 225hp engine (APY, AMK, BAM). Complete 15-hose kit replaces entire cooling circuit. 3-4 ply VMQ reinforced construction, 0.16" wall thickness, temperature resistance -58°F to 356°F, 58 PSI pressure guaranteed.

  Immediate stock and fast shipping guaranteed: Our European warehouse permanently stocks the complete S3 8L kit. Orders before 5 PM ship same day via GLS courier, guaranteed 24-48h delivery throughout Europe. Reinforced packaging for large Audi Sport parts included. High-quality stainless clamps supplied.

  Covered Audi S3 8L applications: S3 8L Quattro 210hp phase 1 (1999-2001), S3 8L 225hp phase 2 (2001-2003), compatible TT 8N 225hp same engine, adaptable A3 8L 1.8T tuned. Available colors: matte black sport, S3 blue, racing red.

  Superior technical specifications: Premium German VMQ silicone, temperature -58°F to 356°F continuous (peaks 392°F), turbo pressure 58 PSI (burst 174 PSI), 15-20 year lifespan, 30% stronger than OEM rubber.

  S3 8L pricing: Complete 15-hose kit: $335 Stainless clamps included Shipping: $11.50 (free over $170)

  Audi S3 8L FAQ - Frequently Asked S3 Owner Questions

  Does the kit fit all S3 8L 1999-2003? Yes, our universal kit covers all S3 8L: phase 1 APY/AMK 210hp (1999-2001) and phase 2 BAM 225hp (2001-2003). Complete compatibility despite minor engine differences. Also fits perfectly TT 8N 225hp (same engine base) and A3 8L 1.8T converted with K04 turbo. Only exception: very rare pre-1999 S3, please inquire.

  Why replace all hoses on my S3 8L? S3 8Ls are now 20-25 years old. OEM Audi rubber degrades: hardening, micro-cracks, porosity. Common S3 8L problems: summer overheating, coolant loss, unstable system pressure. Our kit eliminates all issues at once. Engine bay visual transformation additional bonus for S3 purists.

  What performance difference after installation? Documented measurable gains on S3 8L: water temperature stabilized -9°F, more progressive temperature rise, better K04 turbo cooling, optimal circuit pressure maintained. Customers report: improved turbo response, more stable oil temperature, increased confidence during intensive use. Particularly beneficial Stage 2+ tuned S3s with increased thermal stress.

  Is complete kit installation complex? Installation accessible for experienced DIYer. Time: 3-4 hours for complete kit. Circuit drain mandatory. S3 8L challenges: hoses behind intake manifold tricky, heater connections tight. Tip: number old hoses before removal. Detailed 20-page instructions with 8L-specific photos included. Free technical support.

  Do hoses withstand S3 8L tuning? Perfectly! Our hoses support: Stage 1 (265hp), Stage 2 (290hp with downpipe), Stage 2+ (310hp with intercooler). Tested on customer S3 8Ls up to 350hp with GT28 turbo. 58 PSI continuous pressure more than sufficient. 356°F temperature covers all scenarios. Many tuned S3 8Ls equipped trouble-free for 10+ years.

  What maintenance maximizes lifespan on aging S3 8L? Bi-annual visual inspection (look for oil sheen = leak). Monthly coolant level check (consumption = leak). Preventive clamp retightening every 2 years. Complete flush every 4 years with G13 pink coolant. Compatible with all VAG coolant additives. Resistant to engine cleaners. Expected lifespan: minimum 15-20 years.

  Can my kit improve my S3 8L's value? Absolutely! S3 8L collector market rising. Buyers seek reliability/documented maintenance. Silicone hose kit = strong selling point. Transformed engine bay appearance impresses. REDOX invoice = proof of premium maintenance. Many customers sell S3 8L for more thanks to our hoses. Worthwhile investment for S3 enthusiasts.