Unleash the full potential of your 3.5L EcoBoost F-150 or Raptor with the AMS Turbine Housing Adaptors — the largest and most free-flowing adaptors on the market.
Engineered from the ground up by the AMS SnailWorks™ Engineering Team, these are not reworked OEM parts, but all-new castings designed to dramatically reduce back pressure and improve turbo spool. With a massive 55% increase in internal cross-sectional area, smooth-flowing transitions, and CNC-machined stainless steel construction, these adaptors are built to deliver serious performance gains. Designed for seamless installation between your turbo and downpipes, they pair perfectly with AMS 3.5L Downpipes for maximum results.
Nearly 55% more internal cross-sectional area lets turbos breathe
Largest turbine housing adaptor on the market
Minimum ID 64mm (+20.8%)
Maximum ID 76.5mm (+44.3%)
Internal cross sectional area 34.12cm2 (+54.8%)
More flow = more power, and quicker turbo spool
New castings not machined OEM flanges
Precision CNC machined 304 stainless steel construction
Designed to perform best with our AMS 3.5L F150 or Raptor downpipes
Perfectly matches OEM gasket profile
Installs easily between turbine housings and downpipes
AMS 3.5L EcoBoost F150 & Raptor Turbine Housing Adaptor Kit
- Wider mouth lets turbos breathe
- Nearly 55% more internal cross-sectional area
- Largest turbine housing adaptor on the market
- Minimum ID 64mm (+20.8%)
- Maximum ID 76.5mm (+44.3%)
- Internal Cross Sectional Area 34.12cm2 (+54.8%)
- More flow = More power
- Lets the turbos spool faster
- New castings not machined OEM flanges
- Precision CNC machined surfaces
- 304 Stainless Steel construction
- Matches OEM gasket profile
- Designed to perform best with our F150 downpipes
- Installs easily in between the turbine housing and downpipes
- Installation instructions


