Product Description
BorgWarner 177209 S300SX3 Exhaust Housing — 1.00 A/R, 68mm, T4
BORGWARNER 177209 is a genuine S300SX3 exhaust housing designed for serious performance builds. Featuring a 68mm turbine wheel capacity and a T4 twin-scroll 1.00 A/R housing, it’s a proven match for street/strip Cummins, Powerstroke, and Duramax applications running S300SX3 chargers.
Key Specifications
- Part Number: 177209
- Application: BorgWarner S300SX3 turbos
- Turbine Inlet: T4 twin-scroll
- Turbine Outlet: 3.5" Marmon
- A/R: 1.00 A/R
- Turbine Wheel Size: 68mm capacity
This housing alters spool and flow characteristics. A 1.00 A/R balances spool response with strong top-end performance for mid- to high-horsepower builds.
What’s Included
- BorgWarner 177209 1.00 A/R 68mm T4 S300SX3 exhaust housing
Fitment Guidance
This housing fits BorgWarner S300SX3 turbos with a 68mm turbine. Commonly used in:
- Dodge/Ram Cummins S300 upgrades
- Ford Powerstroke S300 retrofit builds
- GM Duramax performance turbo swaps
Shop Turbo Sections by Vehicle
Dodge/Ram Cummins
- CUMMINS MAIN HUB (Home tab)
- 1998.5–2002 5.9L 24V (VP44) — Turbocharger
- 2003–2007 5.9L CR — Turbo/Supercharger
- 2007.5–2012 6.7L — Turbocharger
- 2013–2018 6.7L — Turbocharger
- 2019–2024 6.7L — Turbos & Accessories
Ford Powerstroke
GM Duramax
FAQ
What turbo does the 177209 housing fit?
The 177209 is built for BorgWarner S300SX3 turbos with a 68mm turbine wheel.
What effect does the 1.00 A/R ratio have?
The 1.00 A/R housing offers balanced spool characteristics — faster than a 1.10 but with more top-end than a 0.91.
What inlet flange does it use?
This housing uses a T4 twin-scroll inlet flange.
Will this fit my stock manifold?
Only if your manifold is T4 twin-scroll. Most factory manifolds are T3 or single-scroll and will require a manifold upgrade.
Can CPP Diesel provide other A/R options?
Yes. We stock and source multiple BorgWarner housings for S300/S400 turbos. Contact us for sizing help.
Why Buy BorgWarner Housings from CPP Diesel
- Direct-fit BorgWarner components
- Expert guidance on turbine sizing & spool
- Stock replacement to custom performance solutions
- Fast shipping & knowledgeable support
