Audi A4L Sline upgrade to R style rear diffuser pipe 20-24

Product Description

Track engineering technology transplantation

Performance components developed specifically for the 2020-2024 Audi A4L S-Line:

Wind tunnel-verified diffuser vertical stabilizing fin

Four-outlet titanium alloy exhaust tail throat

≤1.2mm original bumper gap control

Dual-mode performance improvement

Aerodynamic optimization

✓ Chassis airflow acceleration guidance technology

✓ High-speed drag coefficient reduced by 12%

✓ 130km/h rear axle stability enhancement

Exhaust acoustic engineering

✓ 125-250Hz low-frequency sound wave enhancement

✓ Stainless steel resonant cavity anti-resonance design

✓ Eliminate high-speed cruise resonance

Triple precision installation

Original parts disassembly

8 pressure buckles are released in sequence

Laser positioning assembly

Infrared bumper reference calibration

Torque control locking

M8 bolts (22Nm) / three-point locking system

Track gene awakening

Beyond visual upgrade-the vertical stabilizing fin reduces the rear axle lift by 18%, allowing executive sedans to gain control over corners.

Authoritative certification guarantee

Original high-temperature resistant composite materials

304 stainless steel exhaust components

Construction guidelines

Check vehicle VIN code (2020-2024 models only)

Authorized Audi modification service provider for construction

High-speed dynamic test required after installation