2017-2019 For Audi A4 S4 B9 Diffuser With Large Dual Tailpipe

For 2017-2019 Audi A4/S4 (B9) RS4 Style Rear Diffuser with Large Dual Tailpipes

🔥 OEM+ Fitment | Aggressive RS4 Styling | High-Grade ABS Construction

Transform your B9 A4/S4 with this RS4-inspired rear diffuser, featuring:

✔️ Perfect Fit for 2017-2019 A4/S4 (B9 Platform)
✔️ Premium ABS Plastic – OEM-grade durability with textured matte black finish
✔️ Integrated Dual Exhaust Outlets – Complete RS4 appearance
✔️ Direct Bolt-On Installation – No bumper modification required

🚀 Key Benefits:

✅ B9-Specific Engineering – Seamless bumper integration
✅ Reinforced Mounting System – Enhanced stability at highway speeds
✅ Pre-Drilled for Parking Sensors (specify when ordering)
✅ Compatible with All Exhaust Setups

⚠ Critical Notes:

❗ For B9 A4/S4 Models ONLY
❗ Professional Installation Recommended
❗ Surface Prep Required (kit included)
❗ Will NOT fit factory RS4 models

🔧 Installation Features:

• Uses 10 Factory Mounting Points
• Marine-Grade Stainless Hardware
• Detailed Digital Installation Guide

⏱️ Fast Shipping:

📦 Ships within 24hrs 
🚚 Free Continental US Shipping
📲 Installation Video Available

🔥 Limited Edition Batch

Only 3 complete kits remaining

Why This Diffuser?

✓ Wind Tunnel Tested Design – Reduces rear turbulence
✓ 3.5mm Thick ABS Construction (35% thicker than competitors)
✓ 1-Year Replacement Warranty
✓ Used by 1,800+ B9 Owners

Achieve the RS4 look without RS4 prices!