Set Your 4th Gen Audi S4 Catalog
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Boost Controllers for 4th Gen Audi S4


Showing 1 to 4 (of 4 total)
GReddy
Profec Electronic Boost Controller
Starting @ $396.99
GrimmSpeed
Manual Boost Controller
Starting @ $109.00
Hondata
4 Port Boost Control Solenoid Kit
Starting @ $95.00
Showing 1 to 4 (of 4 total)
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