Audi S4 B9 (2015+)

ECU Software Tunes
Air Intake Systems
Intercooler Systems
Exhaust Systems
Turbo & Supercharger Upgrades
Engine Build Parts
Fueling Solutions
IE Gear
24 products
IE Tuning Credits | Upgrade Stages
Rated 4.6 out of 5
Based on 23 reviews
$1.00
IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5
Rated 4.9 out of 5
Based on 131 reviews
from $899.00
IE Turbo Inlet Pipe for Audi 3.0T | Fits B9/B9.5 S4 & S5
Rated 4.9 out of 5
Based on 42 reviews
$154.99
IE Performance Transmission Tune for Audi B9 S4, S5, and SQ5
Rated 5.0 out of 5
Based on 33 reviews
$699.00
IE FDS Intercooler For Audi B9 S4, S5, SQ5, A4, A5, & C8 A6, A7
Rated 5.0 out of 5
Based on 51 reviews
$899.99
IE Harsh Climate 5" Oiled Air Filter & Sock Upgrade Kit
Rated 4.8 out of 5
Based on 25 reviews
$69.99
IE Polymer Air Intake System For Audi B9/B9.5 S4 & S5 3.0T
Rated 5.0 out of 5
Based on 43 reviews
$474.99
IE Carbon Fiber Intake System For Audi B9/B9.5 S4 & S5 3.0T
Rated 5.0 out of 5
Based on 28 reviews
$949.99
IE Aluminum Charge Pipe Kit For Audi B9 S4, S5, SQ5, & C8 A6, A7
Rated 4.8 out of 5
Based on 12 reviews
$389.99
IE HPFP Assembly Tool For Audi B9/B9.5 3.0T Turbo Engines
Rated 5.0 out of 5
Based on 13 reviews
$26.49
IE Performance Cast Downpipe For Audi B9/B9.5 S4 & S5 3.0T
Rated 4.9 out of 5
Based on 15 reviews
$1,099.99
IE HPFP Internal Upgrade Kit For Audi B9 S4, S5, SQ5 3.0T & RS5 2.9T
Rated 4.7 out of 5
Based on 12 reviews
$399.99
IE Midpipe Exhaust Upgrade For Audi B9/B9.5 S4 & S5 3.0T
Rated 4.8 out of 5
Based on 23 reviews
$699.99
IE B9/B9.5 S4, S5, SQ5 Turbo Inlet Pipe Adapter Ring for TTE710/TTE810 Hybrid Turbo
Rated 5.0 out of 5
Based on 2 reviews
$49.99
IE B9/B9.5 S4 & S5 Adapter Silicone For IE Turbo Inlet With Stock Airbox
Rated 5.0 out of 5
Based on 5 reviews
$39.99
iE TrueFlex Sensor Kit For Audi B9 S4, S5, SQ5
Rated 5.0 out of 5
Based on 1 review
$419.99
IE B9/B9.5 S4, S5, SQ5 Turbo Inlet Pipe Adapter Ring for Pure750 Hybrid Turbo
Rated 4.7 out of 5
Based on 3 reviews
$49.99
IE Race Series FDS Intercooler System For Audi B9/B9.5 S4 & S5
Rated 4.0 out of 5
Based on 3 reviews
$1,285.99
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IE Catback Exhaust System For Audi B9/B9.5 S4
Rated 4.8 out of 5
Based on 6 reviews
$1,534.99
Pure750 Turbo Upgrade For Audi B9/B9.5 S4, S5, SQ5 3.0T
Rated 5.0 out of 5
Based on 2 reviews
$3,300.00