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A custom tune for your B58 built by Sameh — one of the best tuners on the platform, with multiple B58s running in the 8s. Pricing varies depending on your setup.
Flex Fuel:
Optional but highly recommended. It allows you to run any mix of fuel — from 93 to full E85 — and the tune will automatically adjust without needing a reflash. A flex fuel kit is required for this feature.Map Switching:
Optional feature that lets you change power levels directly from your steering wheel. Perfect for valet mode or when someone else drives your car — you can control how much power each map delivers.Custom Process:
Each map is built specifically for your car. Tuning starts with a base map and is dialed in through revisions until the setup is fully optimized — either when limits are reached or you’re satisfied with the results.Supported Platforms:
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Bootmod3: After purchase, request the tune under the “Maps” tab in the BM3 app. In the notes, include your full setup and order number from EPC.
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MHD: You’ll be contacted by email after purchase with next steps.
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Due to high demand please expect a response within two business days.
All tunes are final and non refundable.











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