FREQUENTLY ASKED QUESTIONS > Purchasing the STC > Q: I don't feel comfortable buying the STC via your web site. What are my options?

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A:  Write to us at stc@trolltune.com or call regarding your concerns and we will work something out.  You may also wish to purchase instead from our well regarded US distributor, Aircraft Spruce & Specialty Co. at 1-877-477-7823.