All APR Performance Products for Audi S4 Vehicles

APR's values of innovation, integrity, and excellence make them a perfect partner for USP Motorsports. Our common beliefs drive us to provide the highest quality aftermarket performance products available for Porsche, Audi and Volkswagen vehicles. From carbon fiber accessories to cold air intakes to exhaust systems, APR is a trusted leader and found in thousands of cars across the globe. USP Motorsports is an authorized dealer of APR parts and accessories.

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APR 3.5" Slash-Cut Exhaust Tip Kit, Single Walled, Polished Silver
APR 3.5" Slash-Cut Exhaust Tip Kit, Single Walled, Polished Silver Set of 2 Tips
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$91.20
Details
SKU#: 26537
MFG# TPK0005
Free shipping

APR Sideburn Fender Decals Silver APR with Red Stripe
APR Sideburn Fender Decals Silver APR with Red Stripe Sold as a Set of 2
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$27.99
Details
SKU#: 17485
MFG# PM100333
Free shipping

APR Sideburn Fender Decals Black APR with Red Stripe
APR Sideburn Fender Decals Black APR with Red Stripe Sold as a Set of 2
Brand:
$27.99
Details
SKU#: 17483
MFG# PM100332
Free shipping

APR Universal Catch Can System
APR Universal Catch Can System Cleaner Engine with Better Performance
Brand:
$306.95
Details
SKU#: 8696
MFG# MS100125
Free shipping

APR 4" Slash-Cut Exhaust Tip Kit, Single Walled, Polished Silver
APR 4" Slash-Cut Exhaust Tip Kit, Single Walled, Polished Silver Set of 2 Tips
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$123.95
Details
SKU#: 26536
MFG# TPK0004
Free shipping

APR Red RS3 Ignition Coil Pack
APR Red RS3 Ignition Coil Pack Direct Plug-and-play
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$44.95
Details
SKU#: 27983
MFG# MS100192

APR Wheel Valve Stem Caps - Set of 4 - Gunmetal
APR Wheel Valve Stem Caps - Set of 4 - Gunmetal Replace The Boring Factory Plastic Stem Caps On Your Wheels
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$7.99
Details
SKU#: 26443
MFG# MS100179

APR Sideburn Fender Decals Black APR with Silver Stripe
APR Sideburn Fender Decals Black APR with Silver Stripe Sold as a Set of 2
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$27.99
Details
SKU#: 17484
MFG# PM100334
Free shipping

APR 4" Slash-Cut Exhaust Tip Kit, Double Walled, Diamond Black Polished
APR 4" Slash-Cut Exhaust Tip Kit, Double Walled, Diamond Black Polished Set of 2 Tips
Brand:
$226.95
Details
SKU#: 26277
MFG# TPK0003
Free shipping

APR Wheel Valve Stem Caps - Set of 4 - Black
APR Wheel Valve Stem Caps - Set of 4 - Black Replace The Boring Factory Plastic Stem Caps On Your Wheels
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$7.99
Details
SKU#: 33463
MFG# MS100197

APR 3.5" Slash-Cut Exhaust Tip Kit, Double Walled, Diamond Black Polished
APR 3.5" Slash-Cut Exhaust Tip Kit, Double Walled, Diamond Black Polished Set of 2 Tips
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$184.95
Details
SKU#: 26540
MFG# TPK0008
Free shipping

APR ECU Flash Back to Stock Tune
APR ECU Flash Back to Stock Tune Revert Your APR Engine Tune Back To Stock
Brand:
$49.99
Details
SKU#: 33357
MFG# DPP-FB-ECU-Stock
Free shipping

APR MQB Ignition Coil Pack For VW/Audi MK7 & RS3/TTRS - Blue
APR MQB Ignition Coil Pack For VW/Audi MK7 & RS3/TTRS - Blue Direct Plug-and-play
Brand:
$44.95
Details
SKU#: 33760
MFG# MS100204

APR 3.5" Slash-Cut Exhaust Tip Kit, Double Walled, Polished Silver
APR 3.5" Slash-Cut Exhaust Tip Kit, Double Walled, Polished Silver Set of 2 Tips
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$152.95
Details
SKU#: 26538
MFG# TPK0006
Free shipping

APR Front Mount Intercooler System For Audi B9 S4/S5 3.0T
APR Front Mount Intercooler System For Audi B9 S4/S5 3.0T Dramatically Reduces Intake Air Temperature (IAT)
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$1158.95
Details
SKU#: 26249
MFG# IC100023
Free shipping

APR Grey RS3 Ignition Coil Pack
APR Grey RS3 Ignition Coil Pack Direct Plug-and-play
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$44.95
Details
SKU#: 33759
MFG# MS100203

APR Universal Mechanical Boost Gauge - Blue
APR Universal Mechanical Boost Gauge - Blue
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$147.95
Details
SKU#: 26260
MFG# MS100146
Free shipping

APR Wheel Valve Stem Caps - Set of 4 - Silver
APR Wheel Valve Stem Caps - Set of 4 - Silver Replace The Boring Factory Plastic Stem Caps On Your Wheels
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$7.99
Details
SKU#: 26442
MFG# MS100178

APR Flat Badge - Small
APR Flat Badge - Small Let enthusiasts know you’re APR Tuned!
Brand:
 In Stock 
This item is in stock and will usually ship same day if ordered by 4PM EST.
$4.99
Details
SKU#: 33482
MFG# A1000004

APR Sideburn Fender Decals Black APR with Black Stripe
APR Sideburn Fender Decals Black APR with Black Stripe Sold as a Set of 2
Brand:
$27.99
Details
SKU#: 20427
MFG# PM100344
Free shipping

APR ECU & TCU Flash Back to Stock Tune
APR ECU & TCU Flash Back to Stock Tune Revert Your APR Engine & Trans Tune Back To Stock
Brand:
$79.99
Details
SKU#: 33359
MFG# DPP-FB-ECU-TCU-Stock
Free shipping

APR Sideburn Fender Decals Silver APR with Black Stripe
APR Sideburn Fender Decals Silver APR with Black Stripe Sold as a Set of 2
Brand:
$27.99
Details
SKU#: 17486
MFG# PM100335
Free shipping

APR 3.5" Slash-Cut Exhaust Tip Kit, Double Walled, Brushed Silver
APR 3.5" Slash-Cut Exhaust Tip Kit, Double Walled, Brushed Silver Set of 2 Tips
Brand:
$184.95
Details
SKU#: 26539
MFG# TPK0007
Free shipping

APR ECU Stage 1 Software Tune For Audi B9 S4/S5/SQ5
APR ECU Stage 1 Software Tune For Audi B9 S4/S5/SQ5 At Home Tuning For Gains of up to 123 Horsepower
Brand:
$899.95
Details
SKU#: 33365
MFG# DPP-3.0T-MG1
Free shipping

At APR our sole mission is to engineer only the highest quality tuning solutions for Volkswagen, Audi and Porsche vehicles ensuring the enthusiast the ultimate driving experience while consistently providing the enthusiast the ultimate in customer care and support.
Ask our experts how you can get Powered by APR™ engine tuning today. 

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