Mazworx SR20 RWD Bottom Mount G25/G30 Turbo Kit

The Mazworx SR20 RWD Bottom Mount G25\/G30 Turbo Kit is a comprehensive turbo upgrade designed specifically for Nissan SR20 engines in rear-wheel-drive setups, compatible with S13, S14, and S15 chassis. Whether your engine has a DET or VE cylinder head, this kit provides a seamless installation for those looking to achieve up to 550 wheel horsepower with excellent turbo response.

Key Features

• Mazworx Stainless Steel Series Bottom Mount Manifold: Custom fabricated in-house for durability and precise fitment, engineered to fit both DET and VE heads. The VE head design includes slotted holes to ensure perfect port alignment during installation.
• Garrett G25 Turbo Options: Includes the G25-550 ball-bearing turbo with an internal wastegate for reliable boost control. Optional upgrades to Garrett G25-660 or G30-660 turbos are available depending on power goals.
• Stainless Steel V-band Exhaust Housing: Provides a secure and efficient connection, contributing to durable exhaust flow and ease of maintenance.
• Mazworx 3″ 2-piece V-band Downpipe Assembly: Designed for optimal exhaust efficiency, this component complements the turbo setup, helping to maximize performance.
• Complete Oil and Water Lines: High-quality stainless steel braided lines for oil feed, oil drain, and water ensure reliable turbo cooling and lubrication.

Design and Compatibility

This bottom mount turbo kit is designed to replicate the classic bottom mount look with modern hardware and engineering. The equal length manifold utilizes 1-1\/4″ stainless steel piping with fully TIG-welded construction and a billet collector for durability and high flow. Clearance has been carefully accounted for, ensuring the system clears air conditioning and power steering components on compatible chassis.

Performance

Engineered for power outputs up to 550 wheel horsepower, the kit delivers excellent boost response and control via an external actuator managing the internal wastegate of the Garrett turbo. Performance tuning data, including a dyno graph at 16 psi, is available and credited to Jonathan Altman.

Upgrade your Nissan SR20 RWD setup with the Mazworx SR20 Bottom Mount Turbo Kit for a blend of classic styling, quality materials, and high-performance capabilities.