Replace those Worn Out Rod Bearings!
+0.50mm
Replace those Worn Out Rod Bearings!
+0.50mm
Replace those Worn Out Rod Bearings!
Standard Size
Capable of supporting 700+ wheel horsepower - New, no core charge!
For models with the B58 Gen2 (B58TU / B58C) 2-Port Engine only - Not for Gen1 or Gen3 engines or 6-port engines
This product was last offered at the strikethrough price on
07-15-2026
Unleash the aggressive sound of your B48 or B58 with this Cat-Back exhaust system from Valvetronic Designs!
Unleash the aggressive sound of your B48 or B58 with this Cat-Back exhaust system from Valvetronic Designs!
Enables the control of a single electronic exhaust valve
Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring a single electric valve actuator
Increase of +126 Horsepower, and +127 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
Increase of +101 Horsepower, and +102 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Offers great strength and fatigue resistanve vs stock bolts, increasing clamping strength and preventing cylinder head lift and damage.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-08-2026
This valved cat back system features wireless remote control and quad blue coated tips.
This valved cat back system features wireless remote control and quad chrome silver tips.
Upgraded connecting rods designed for increased cylinder pressures and power
Upgraded connecting rods designed for increased cylinder pressures and power
The ultimate intake manifold upgrade for your B58 powered Supra or BMW!
2X Entries Into Our F80 M3 Sweepstakes
This is a special order finish. Lead time is 5-6 weeks.
Unlock the true performance potential of your Gen2 B58-powered machine with the Dorch Engineering Gen2 Flex Fuel ECA Kit.
For Vehicles Produced After 2019
Unlock the full potential of your Gen1 B58 powered BMW with Flex Fuel tuning.
For Vehicles Produced Before 2019