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BSR Performance

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At BSR Performance, tuning isn't just a service — it's a statement. Powered by the expertise of JtunediT, we specialize in LS/LT GM platforms using HP Tuners and Holley EFI to deliver unmatched speed and performance. When JtunediT, you're not just in the race — you're leading it. Built for racers, by a racer. Welcome to the fastest side of the game.

Race-Ready Choices

  • Street Performance Tuning

    Street Performance Tuning

    Street Performance Tuning

    Vendor:
    BSR Performance
    Regular price From $0.00 USD
    Regular price Sale price From $0.00 USD
    Unit price /  per 
  • Holley EFI Tuning

    Holley EFI Tuning

    Holley EFI Tuning

    Vendor:
    BSR Performance
    Regular price From $450.00 USD
    Regular price Sale price From $450.00 USD
    Unit price /  per 
  • JTunedIT Stickers

    JTunedIT Stickers

    JTunedIT Stickers

    Vendor:
    JTunediT
    Regular price From $5.00 USD
    Regular price Sale price From $5.00 USD
    Unit price /  per 
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