2017-2019 For Audi A4 S4 B9 Diffuser With Silver Tailpipe
Regular price
$480.00
Regular price
-28%
$666.00
Sale price
$480.00
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APEX Auto // 2017-2019 // Audi A4/S4/RS4
Audi A4 S4 B9 Diffuser With Silver Tailpipe
A rear bumper diffuser replacement for the Audi A4/S4/RS4. This diffuser replaces the factory lower bumper trim with an aggressive, high-performance rear valance that frames the exhaust outlets and visually lowers the rear stance.
Material
Carbon Fiber
Sensor Fit
Direct Fit
Platform
Audi A4/S4/RS4
Shipping
Free · Lower 48 States
Not Sure It Fits? We Check Your VIN.
Send your 17-digit VIN and front-end photos. Our Audi specialists confirm exact fitment for your trim, sensors, and emblem choice - free, within one business day. Or email support@apexautotuning.com.
01
Vehicle Fitment Data
| Applicable Models | Audi A4/S4/RS4 |
| Confirmed Fitment | 2017-2019 Audi A4 |
⚠
Check Before Ordering. Incompatible: B6 (2001-2005) / B7 (2005-2008) / B8 (2009-2012) / B8.5 (2013-2016) / B9.5 (2020-2024)
02
Choose Your Configuration
Config - A
S line
From $480
Config - B
Non S line
From $480
03
Material & Build
Stress Tolerance
Constructed from automotive-grade plastic that handles exhaust heat and road conditions.
Gloss Retention
Gloss black coating is UV-cured for resistance to sun exposure and car wash chemicals.
Edge Match
All mounting tabs align with factory rear bumper attachment points for a gap-free fit.
Pipe Aperture
Exhaust tip openings are precision-cut to center factory or aftermarket tailpipes.
04
Installation Notes
- Remove factory lower valance. Bolt new diffuser into factory mounting points.
- Check exhaust tip clearance before final tightening.
Talk To A Specialist
Exclusive wholesale pricing for US repair shops. Send your VIN or vehicle photos - we'll confirm fitment and finish options. Email: support@apexautotuning.com
Contact Us →Bulk order
| Variant | Quantity | Price | Total |
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S4 style / S line
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Out of stock
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S4 style / Non S line
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Out of stock
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A4 to S5 style / S line
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Out of stock
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A4 to S5 style / Non S line
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Out of stock
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Total items
$0.00
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