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Air and Fuel› Superchargers, Turbochargers and Components

BigBoost Turbo

B58 EFR Turbo Kit Stage 3-4

$5,550.00 $4,400.00 Save $1,150.00

SKU: bigboost-b58-efr-turbo-kit

In Stock
In Stock
Ships by Jul 29
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The BigBoost B58 EFR Turbo Kit is a stage 3-4 turbo upgrade designed for the B58 Gen 1 and 6 Port TU engine. This kit includes a BorgWarner EFR turbocharger, a cast twin-scroll manifold with 40% larger runners than stock, aviation-grade stainless steel oil feed lines, and all necessary fittings and plumbing.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBigBoost Turbo
Part Numberbigboost-b58-efr-turbo-kit
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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