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APR - Audi 4.2L B8 S5 ECU Upgrade

Get more power and torque from your 4.2L V8 B8 Audi S5 with an upgraded ECU from APR.

APR42LAUDIB8S5
In Store Only
 $699.00 
EPL - 4.2 S5 Performance Software

Stage 1 Performance Software for B8 S5's with 4.2L V8 engines

In Stock
 $599.00 
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