Walton S55 Single-Turbo Manifold | Built by Boost & Tune

Walton Motorsport BMW S55 Single-Turbo Manifold

$4,270.99

Overview

Walton Motorsport BMW S55 Single-Turbo Manifold replaces the factory twin-turbo arrangement with a single modern motorsport turbocharger and is designed around both right-hand-drive and left-hand-drive S55 packaging.

Key Features

Designed around Garrett G-Series V-Band turbochargers including the G35-1050.
Compatible with equivalent Turbosmart Frame B and HPT Frame 2 turbocharger interfaces.
60 mm external-wastegate port designed around the Turbosmart PowerGate60.
304-grade stainless-steel construction.
Port-matched runners pass through the cylinder-head flange and are TIG-welded from both sides before final blending.
Walton proprietary cast merge collector engineered for exhaust flow and wastegate priority.
Manufactured in the United Kingdom.
Walton Motorsport lifetime manifold warranty, subject to current manufacturer terms.

Supporting Conversion Components

Walton currently supports the S55 conversion with a 3.5-inch downpipe, 4-inch turbo intake, charge pipe to the factory charge cooler, turbo oil/water line kit, oil feed / return blanking hardware, PowerGate60 wastegate and V-Band hardware for the remaining exhaust system.

Vehicle Fitment

BMW F80 M3 — S55
BMW F82 M4 — S55

Available Options

Turbo Inlet Flange

Garrett V-Band (G25/G30/G35) / Turbosmart V-Band (Frame B Turbos) / HPT Frame 2

Wastegate Port

60mm Port Size (Flange Fitted)

Lead Time

Built to order. Walton currently advises a typical manifold build time of approximately 2–4 weeks. Production timing is indicative and can change with supplier workload.

Installation & Calibration

An S55 single-turbo conversion is a major mechanical and calibration project. Professional installation, supporting fabrication and ECU calibration are required.