By now, everyone has heard of the BNR turbo upgrade for the Mazdaspeed 3 and 6. It is a lower cost turbo upgrade that offers a pretty decent bang for the buck. $1099 gets you a nice boost in performance and offers a great replacement for the stock K04.
The benefit of the BNR upgrade is the increased shaft size, shorter shaft, bigger bearings, better thrust bearing assembly, better turbine wheel, and more efficient compressor wheel. These things combine to make for a much more reliable turbo. No question this upgrade is far more superior to the original equipment turbocharger on the Mazdas.
One of the most appealing aspects of the BNR turbo is the stock turbo like response with the added top end performance. It will change the way your Mazdaspeed drives, but only for the better!
Make sure you click the pictures to read more about this turbo on our website!
BNR Stage 3 Turbo Kit - $1099