Collection: Drivetrain Upgrades For Subaru Legacy B4 BM
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XClutch Stage 2 Single Sprung Ceramic Clutch Kit | Subaru Crosstrek Base 2.0L (18-23) (XKSU23016-1B)
Vendor:XCLUTCHRegular price $703.23 USDRegular priceUnit price / per$904.16 USDSale price $703.23 USDSale -
XClutch Twin Solid Ceramic Clutch Kit | Subaru WRX, Saab 9-2X, Forester (XKSU20522-2E)
Vendor:XCLUTCHRegular price $1,435.58 USDRegular priceUnit price / per$1,845.74 USDSale price $1,435.58 USDSale -
XClutch Stage 2 Cushioned Ceramic Clutch Kit | Subaru Crosstrek (18-23) (XKSU23016-1C)
Vendor:XCLUTCHRegular price $773.56 USDRegular priceUnit price / per$994.57 USDSale price $773.56 USDSale -
XClutch Twin Sprung Ceramic Clutch Kit | Subaru WRX, Saab 9-2X & Forester (XKSU20522-2B)
Vendor:XCLUTCHRegular price $1,525.58 USDRegular priceUnit price / per$1,961.46 USDSale price $1,525.58 USDSale -
COBB Double Adj Short Throw Shifter | Subaru WRX/Legacy GT/Outback XT/Forester XT (08-14/05-09/06-08) (224315)
Vendor:COBBRegular price $175.00 USDRegular priceUnit price / per$175.00 USDSale price $175.00 USD -
COBB Shifter Bushings 5-Speed | Subaru WRX (02-14) / Legacy GT/Forester XT/Outback XT (05-09) (211320)
Vendor:COBBRegular price $50.00 USDRegular priceUnit price / per$50.00 USDSale price $50.00 USD -
COBB Shifter Bushings 6-Speed | Subaru STI (04-21) / Legacy GT Spec B (07-09) (213320)
Vendor:COBBRegular price $60.00 USDRegular priceUnit price / per$60.00 USDSale price $60.00 USD -
ACT Perf Street Sprung Clutch Kit | Subaru WRX (06-21) (SB11-XTSS)
Vendor:ACTRegular price $1,254.00 USDRegular priceUnit price / per$1,548.00 USDSale price $1,254.00 USDSale -
ACT Mod-Twin 225 Heavy Duty Sprung Street Clutch Kit | Subaru WRX (13-23) (T1SS-S01)
Vendor:ACTRegular price $1,699.00 USDRegular priceUnit price / per$2,097.00 USDSale price $1,699.00 USDSale -
ACT Clutch Release Bearing | Subaru WRX (15-18) / Impreza WRX (06-11) (RB846)
Vendor:ACTRegular price $122.00 USDRegular priceUnit price / per$150.00 USDSale price $122.00 USDSale -
Perrin CVT Mount Support | Subaru WRX 22+ / Legacy 20-23 / Forester 14-18 (PSP-DRV-161)
Vendor:Perrin PerformanceRegular price $30.02 USDRegular priceUnit price / per$58.00 USDSale price $30.02 USDSale -
Competition Clutch Segmented Ceramic Disc | Subaru WRX/Legacy 06-14 (99708-2600)
Vendor:Competition ClutchRegular price $201.76 USDRegular priceUnit price / per$245.00 USDSale price $201.76 USDSale -
Competition Clutch Stage 2 2100 Series Clutch Kit | 2006-2014 Subaru WRX (15026-2100)
Vendor:Competition ClutchRegular price $700.00 USDRegular priceUnit price / per$850.00 USDSale price $700.00 USDSale -

Competition Clutch Stage 3 Segmented Ceramic Clutch Kit | Subaru 06-14 WRX/Outback XT (15026-2600)
Vendor:Competition ClutchRegular price $753.53 USDRegular priceUnit price / per$915.00 USDSale price $753.53 USDSale -
Competition Clutch Stage 4 6 Pad Ceramic Clutch Kit | Subaru WRX 06-11, Legacy GT 05-11
Vendor:Competition ClutchRegular price $753.53 USDRegular priceUnit price / per$915.00 USDSale price $753.53 USDSale -
Competition Clutch Stock Clutch Kit w/Flywheel | Subaru WRX/Legacy GT (05-11) (15026-STOCK)
Vendor:Competition ClutchRegular price $572.35 USDRegular priceUnit price / per$695.00 USDSale price $572.35 USDSale -
Competition Clutch Street/Strip Series 2600 Clutch Kit | Multiple Fitments (15021-2600)
Vendor:Competition ClutchRegular price $506.47 USDRegular priceUnit price / per$615.00 USDSale price $506.47 USDSale -
Exedy Hyper Multi Flywheel Ring Bolt Set | Multiple Fitments (BS01)
Vendor:ExedyRegular price $49.33 USDRegular priceUnit price / per$67.83 USDSale price $49.33 USDSale -
Goodridge 08-14 Subaru WRX / 10-14 LGT 6-Spd T Clutch Line Kit (24222-CLU)
Vendor:GoodridgeRegular price $18.81 USDRegular priceUnit price / per$37.27 USDSale price $18.81 USDSale -
Clutch Masters Steel Flywheel | 2006-2017 Subaru WRX (FW-021-SF)
Vendor:Clutch MastersRegular price $432.35 USDRegular priceUnit price / per$525.00 USDSale price $432.35 USDSale
Drivetrain Upgrades for Subaru Legacy B4 BM: Optimize Power and Reliability
Enhance your Subaru Legacy B4 BM’s performance with drivetrain upgrades tailored to its unique specifications. This collection offers premium aftermarket parts designed to improve power delivery, shift response, and drivetrain durability for a more engaging and reliable driving experience.
What are the benefits of upgrading your Legacy B4 BM drivetrain components?
Upgrading drivetrain parts such as clutches, flywheels, and mounts can significantly improve your vehicle’s responsiveness and power transfer. Enhanced components reduce drivetrain slippage, improve shift precision, and increase durability under demanding conditions, making them ideal for spirited driving or track use.
- Smoother and quicker gear shifts for better control
- Improved power delivery with reduced drivetrain losses
- Increased longevity of drivetrain components under stress
How to choose the right drivetrain parts for your Subaru Legacy B4 BM
Selecting drivetrain upgrades requires attention to fitment and performance goals. Consider the type of driving you do and the level of modification on your Legacy. Performance clutches and flywheels vary in material and design, while mounts and axles should match your vehicle’s specifications to maintain reliability and drivability.
Key drivetrain upgrades to enhance your Subaru Legacy B4 BM
This collection includes essential components to elevate your Legacy’s drivetrain performance. From performance clutches and lightweight flywheels to reinforced mounts and durable axles, each part is engineered for fitment confidence and lasting reliability. Shop WheelFlip’s drivetrain upgrades to optimize your Legacy B4 BM’s power and handling.









