Product Description
BORGWARNER 177210 S300SX3 EXHAUST HOUSING – 0.88 A/R, 68MM, T4. The go-to AirWerks housing for 76/68mm S300/SX-E builds, this cast-iron T4 unit delivers crisp spool, balanced drive pressure, and rock-solid durability for street, tow, and competition setups. Designed for 76/68mm S300 turbine wheels with a T4 inlet and 4.21" Marmon V-band outlet, it’s an easy, proven upgrade for S300SX3 and SX-E supercores.
Why It Wins
- Optimized 0.88 A/R T4 for quick response without choking top-end flow.
- Built for 76/68mm S300 wheels (S300SX3 & SX-E supercores).
- V-band 4.21" outlet for clean, leak-resistant downpipe connections.
- Genuine BorgWarner casting for longevity under heat and load.
- Free shipping and fast, enthusiast support from CPP Diesel.
Fitment Details
Intended for BorgWarner S300SX3 / SX-E builds using the 76/68mm turbine wheel, T4 inlet, and 4.21" Marmon V-band outlet. Universal fitment on custom diesel and gasoline applications with appropriate manifold and downpipe hardware.
Cross-Reference / Alternatives (BorgWarner on CPP only)
- BORGWARNER 177211 – 0.88 A/R, T4 (Open Volute)
- BORGWARNER 177207 – 0.91 A/R, 68MM, T4
- BORGWARNER 177209 – 1.00 A/R, 68MM, T4
- BORGWARNER 177280 – S300SX3 S360/68, 0.88 A/R, T4 Turbo
- BORGWARNER 177283 – S300SX3 S363/68, 0.88 A/R, T4 Turbo
FAQ
Will this housing fit my S300SX-E supercore?
Yes—if you’re running the 76/68mm S300 turbine wheel with a T4 inlet and 4.21" V-band outlet. Always verify wheel dimensions before ordering.
Is this a twin-scroll (divided) T4?
It’s a T4 inlet housing for the 76/68mm S300 wheel. Check your manifold/downpipe setup and choose between open or divided based on your intended pairing and spool characteristics.
Is it CARB legal in California?
No—this is a motorsports/upgrade component and is not CARB-exempt for on-road use in California.
What outlet size do I need?
It uses a 4.21" Marmon V-band (often called 3.5" V-band) at the turbine outlet. Match your downpipe accordingly.
Shipping & Support
Free shipping to the lower 48 states. Need fitment help? Call CPP Diesel at 724-785-4022.
Specifications for BORG WARNER 177210
| Turbo Series | S300 / S300SX3 / SX-E (76/68mm turbine wheel compatible) |
|---|---|
| A/R & Inlet | 0.88 A/R, T4 |
| Outlet | 4.21" Marmon V-band |
| UPC | 840232708851 |
| GTIN | 00840232708851 |
| Cross Reference | Pairs with S300SX3/SX-E supercores using 76/68mm turbine; alternatives on CPP: 177211, 177207, 177209 |
| E-Codes | Not CARB-exempt (no Executive Order for on-road use) |
| Shipping Info | Free shipping (Lower 48); typical box approx. 11" x 11" x 11" |
| Approx. Weight | ~12 lb (housing only) |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
