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Audi A4/S4 B9

The B9 A4 arrived for 2017 with a 2.0 TFSI four-cylinder and quattro options, while the 2018-on S4 uses a 354-hp turbocharged 3.0-liter V6. Shop Audi A4/S4 B9 parts from RacingLine, Genuine VW/Audi, Nissens and Hella.

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Cobb Audi S4/S5/SQ5 (B9/B9.5) AccessPORT V3

COBB
$770.00
$770.00 - $770.00
$770.00
$693.00
$693.00 - $693.00
$693.00
Only 4 left!

Cobb Audi S4/S5/SQ5 (B9/B9.5) AccessPORT V3

Integrated Engineering Performance ECU Tunes for B9 Audi 3.0T Vehicles

Integrated Engineering Performance ECU Tunes for B9 Audi 3.0T Vehicles

Integrated Engineering
$899.00 - $899.00
$899.00
$899.00 - $899.00
$899.00
In stock

Choose Between The Following SKU's Above: IESOVZ11, IESOVZ12, IESOVZ13, IESOVZ14. IE's 3.0T ECU upgrade dramatically increases horsep...

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Integrated Engineering Performance ECU Tune for B8 Audi 3.0T Vehicles

Integrated Engineering Performance ECU Tune for B8 Audi 3.0T Vehicles

Integrated Engineering
$899.00 - $899.00
$899.00
$899.00 - $899.00
$899.00
In stock

Choose Between The Following SKU's Above: IESOVJ11, IESOVJ12, IESOVJ13. IE's performance EA837 ECU calibrations for the Audi B8/B8.5 ...

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Integrated Engineering Performance ECU Tune for B9 Audi A4/A5 Sold out

Integrated Engineering Performance ECU Tune for B9 Audi A4/A5

Integrated Engineering
$499.99 - $499.99
$499.99
$499.99 - $499.99
$499.99
Out of stock

Audi’s factory calibration for the B9 A4 and A5 2.0T constrains a platform with significantly more capabilitythan it delivers from th...

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aFe Power Sprint Booster Power Converter 11-18 Audi A7/S7
Sold out

aFe Power Sprint Booster Power Converter 11-18 Audi A7/S7

aFe
$314.00 - $314.00
$314.00
$314.00 - $314.00
$314.00
Out of stock

aFe Power Sprint Booster Power Converter 11-18 Audi A7/S7

AFE afe77-92005-MB

aFe 17-20 Audi A3 / 15-20 Audi A4 Scorcher High-Performance Ignition Coil (4 Pack)

aFe
$209.00 - $209.00
$209.00
$209.00 - $209.00
$209.00
6 in stock

aFe 17-20 Audi A3 / 15-20 Audi A4 Scorcher High-Performance Ignition Coil (4 Pack)

AFE afe77-92005
Sold out

aFe 17-20 Audi A3 / 15-20 Audi A4 Scorcher High-Performance Ignition Coil

aFe
$58.00 - $58.00
$58.00
$58.00 - $58.00
$58.00
Out of stock

aFe 17-20 Audi A3 / 15-20 Audi A4 Scorcher High-Performance Ignition Coil

AFE afe77-16414
Sold out

aFe 16-23 Audi A4/A5 / 21-23 Audi A5 Quattro/A6 L4 2.0L (t) Sprint Booster V3 Power Converter

aFe
$314.00 - $314.00
$314.00
$314.00 - $314.00
$314.00
Out of stock

aFe 16-23 Audi A4/A5 / 21-23 Audi A5 Quattro/A6 L4 2.0L (t) Sprint Booster V3 Power Converter

AFE afe77-46405
Sold out

aFe Scorcher GT Module 15-16 Audi A3 1.8/2.0T

aFe
$451.00 - $451.00
$451.00
$451.00 - $451.00
$451.00
Out of stock

aFe Scorcher GT Module 15-16 Audi A3 1.8/2.0T

VEMO Speaker - V10-72-0215

VEMO Speaker V10-72-0215

VEMO
$23.83 - $23.83
$23.83
$23.83 - $23.83
$23.83
65 in stock

VEMOSpeakerThis product also goes by these part numbers: 8E0 919 279, 8E0919279, V10-72-0215, V10720215, 9A7 919 279 00, 9A791927900

Sold out

RacingLine At Home PDM Software Flashing Cable For VW / Audi ECU & TCU

RACINGLINE
$276.88 - $276.88
$276.88
$276.88 - $276.88
$276.88
Out of stock

IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5
Sold out

IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5

Integrated Engineering
$899.00 - $1,299.00
$899.00
$899.00 - $1,299.00
$899.00 - $1,299.00
$899.00
Out of stock

LEADING FEATURES Innovative mobile tuning for an easy install Thrilling power and acceleration gains 91, 93, & E85 optimized ...

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