Pay in 4 interest-free payments of $81.12 Learn more
Ships within 48 hours · Estimated delivery Oct 1 - Oct 6
Don't be fooled from bias forum threads pushing factory upgrade replacement
Flows 8% more than stock without sacrificing air quality
APR’s bars deliver superior cornering control and driving confidence
Our stage 2 upgrade provides you with increased boost levels and our front mount air to air intercooler
E46 M3 Performance Package AUDI A4 B9 Don't be fooled from biasFREE SHIPPING (lower 48 states only) Includes the E46 M3 Software Tune, SIMON 2 and Performance Pulley KIT. Click below to see a detailed description of each product. Software Tune Performance Pulley ACTIVE AUTOWERKE BMW M3 TUNING SOFTWARE ***Before your order ships you MUST sign and return the Off Road Use Only Waiver available HERE. Please email, fax or take a photo of the completed form. You can email it to your sales rep or to
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