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giving you the best distribution possible by feeding an equal amount of nitrous and fuel to each cylinder
spin balanced and pressure tested
Speeding the installation process
375B (not 350C) Application: HoleShot 2400 for GM 1965 to 1991 TH400
AEM Induction Cold Air Intake System (21-750) 1620 giving you the best distributionThe AEM 21 750 Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicles restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Audi A4 and A5 models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box