Audi A4 Performance Chips
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- Blow Off Valve(15)
- Boost Controller(3)
- Engine Internals(3)
- Fuel System(1)
- Intercooler Kit(3)
- Nitrous Kits(4)
Audi O2 Power Performance Chip
Surge Engineering
Listing Price:
$299.99
Selling Price:
$99.99
Info: Installs on O2 sensor
Audi Surge Performance Chip
custom
Listing Price:
$199.99
Selling Price:
$89.99
Info: For your Audi Model
Stage 3 Surge O2 Chip Combo
Surge Engineering
Listing Price:
$499.99
Selling Price:
$299.99
Info: Stage 3
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