It really competes with the s3 but has right at a 370 whp limitation on flow.

Axillary port injection is needed to go higher than stock fuel limitation (370 whp).

It's made in house rather than contracted out like the cst4.

Also spool for the s3 is noticeably better.

These upgrades were designed to be a replacement for the k04 factory.

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    By far the most overlooked turbo in our product range!

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    Bnr s3 big turbo installed in the mazdaspeed 3!

    Bnr upgraded turbos are engineered to redefine performance and meet the demands of your passion.

    With bolt on turbo kit upgrades for ford, chevy, mazda, nissan, subaru and others.

    I believe the s3 is more reliable.

    The bnr s3 version 4 turbocharger has a 2. 36” inlet and works with most all the aftermarket turbo inlet tubes.

    The bnr s3 is the best turbo to maximize the factory fuel system with upgraded fuel pump internals!

    Great turbo for an easy swap, reliable power and great spool.

    A few things have changed about the bnr as it has matured as one of the most common medium.

    Bnr s3 bolts up to stock and plays really well with the stock block, with some headroom left in it too.

    All the tuners like using an aftermarket boost control solenoid with a single.

    Bnr supercars has engineered 4 stages of turbocharger upgrades for the mazdaspeed 3 and mazdaspeed 6.

    All the tuners like using an aftermarket boost control solenoid with a single.

    We're in the final stretch of the.

    The bnr s3 version 4 turbocharger has a 2. 36” inlet and works with most all the aftermarket turbo inlet tubes.

    Capable of much more power than stock and spools fast.

    Gtx 2867r will out perform it for more money and is my personal choice for stock block but price difference in a pinch has bnrs3 as the runner up.

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    Bnr upgraded turbos are engineered to redefine performance and meet the demands of your passion.

    This unit has been a red hot seller since 2009 when we started offering upgrades for.

With bolt on turbo kit upgrades for ford, chevy, mazda, nissan, subaru and others.

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