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ECU Software Tunes
Air Intake Systems
Intercooler Systems
Exhaust Systems
Turbo & Supercharger Upgrades
Engine Build Parts
Fueling Solutions
IE Gear
24 products
Sale
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 $331.49 Save $58.50
Sale
IE B9 S4, S5, SQ5 Turbo Inlet Pipe Adapter Ring for GT35R Hybrid Turbo 66MM ID
$49.99 $42.49 Save $7.50
Sale
IE B9/B9.5 S4 & S5 Adapter Silicone For IE Turbo Inlet With Stock Airbox
Rated 5.0 out of 5
Based on 6 reviews
$39.99 $33.99 Save $6.00
Sale
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 $42.49 Save $7.50
Sale
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 $42.49 Save $7.50
Sale
IE Carbon Fiber Intake System For Audi B9/B9.5 S4 & S5 3.0T
Rated 5.0 out of 5
Based on 29 reviews
$899.99 $807.49 Save $92.50
IE Catback Exhaust System For Audi B9/B9.5 S4
Rated 4.8 out of 5
Based on 6 reviews
$1,534.99
Sold Out
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 $764.99 Save $135.00
Sale
IE Harsh Climate 5" Oiled Air Filter & Sock Upgrade Kit
Rated 4.8 out of 5
Based on 26 reviews
$59.99 $59.49 Save $0.50
Sale
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 $22.52 Save $3.97
Sale
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 $339.99 Save $60.00
Sale
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 $594.99 Save $105.00
Sale
IE Performance Cast Downpipe For Audi B9/B9.5 S4 & S5 3.0T
Rated 4.9 out of 5
Based on 16 reviews
$1,099.99 $934.99 Save $165.00
Sale
IE Performance ECU Tunes for Audi B9 3.0T S4, S5, & SQ5
Rated 4.9 out of 5
Based on 134 reviews
$899.00 from $764.15
Sale
IE Performance Transmission Tune for Audi B9 S4, S5, and SQ5
Rated 5.0 out of 5
Based on 33 reviews
$699.00 $594.15 Save $104.85
Sale
IE Polymer Air Intake System For Audi B9/B9.5 S4 & S5 3.0T
Rated 5.0 out of 5
Based on 46 reviews
$474.99 $403.74 Save $71.25
Sale
IE ProCore Downpipe For Audi B9 S4 & S5
Rated 5.0 out of 5
Based on 2 reviews
$2,499.99 $2,124.99 Save $375.00
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
Sale
iE Spec JE Forged Pistons For Audi B9 3.0T Turbocharged Engines
$1,899.99 $1,709.99 Save $190.00
Sale
iE TrueFlex Sensor Kit For Audi B9 S4, S5, SQ5
Rated 5.0 out of 5
Based on 2 reviews
$419.99 $356.99 Save $63.00