Drive Shaft Shop 510274 X4 Direct Fit Rear Axle 800HP Subaru STI

The Drive Shaft Shop 510274 is a high-performance direct fit rear axle designed for 2009-2017 Subaru STI models. Engineered from premium 300M billet material with chromoly CV housing, this axle is rated to handle 800 horsepower, making it an ideal upgrade for performance enthusiasts pushing their STI to the limits.

Key Features:

• 300M billet axle material with chromoly CV housing for maximum strength
• Direct bolt-in design - no modifications required for installation
• Premium heat-treat processes for superior durability
• Engineered to withstand the extreme abuse of high-performance applications
• Fits rear left or right positions
• Sold individually

These axles have been engineered with fast street cars in mind that still occasionally visit the track for drag, road course, or Auto-X duties. The Drive Shaft Shop has built a reputation for over 30 years creating innovative drivetrain solutions that help racers set world records, and this axle continues that tradition with precision engineering and uncompromising quality.