BORGWARNER 177207 S300SX3 EXHAUST HOUSING – 0.91 A/R, 68MM, T4 INLET

Product Description

BORGWARNER 177207 S300SX3 EXHAUST HOUSING – 0.91 A/R, 68MM, T4 INLET is a genuine AirWerks turbine housing engineered for S300SX3/SX-E builds using the 76/68mm turbine. The twin-scroll T4 inlet improves pulse energy and drive-pressure balance, while the 4.21" Marmon V-band outlet simplifies downpipe connections. Expect quick, streetable spool with strong top-end flow in single or compound S300 setups.

Fitment & Notes

• Turbo series: BorgWarner AirWerks S300 / S300SX3 (also used with select SX-E supercores)
• Designed for 76/68mm S300 turbine wheels (68mm exducer)
• T4 divided (twin-scroll) inlet, 4.21" Marmon (3.5" V-band) outlet
• Universal performance fitment; commonly used on 5.9L Cummins, Duramax, and Power Stroke custom builds
• Turbine housing only (center section, compressor, clamp, and hardware sold separately)

Cross-Reference / Alternatives (BorgWarner on CPP Diesel)

• BORGWARNER 177210 – S300SX3 0.88 A/R, 68mm, T4
• BORGWARNER 177209 – S300SX3 1.00 A/R, 68mm, T4
• BORGWARNER 177208 – S300SX3 0.91 A/R, 74mm, T4
• BORGWARNER 177211 – S300SX3 0.88 A/R, T4
• BORGWARNER 177281 – S300SX3 Turbocharger (S366/74, .88 A/R, T4)

Why Buy from CPP Diesel

• Authorized BorgWarner components with expert fitment guidance
• Fast shipping & careful packaging
• From stock replacements to custom single/compound builds
• Phone & chat support from real diesel pros

FAQs

Will this housing fit my S300SX3 with a 68mm turbine?

Yes—177207 is built for S300 units using the 76/68mm turbine and a T4 divided inlet.

Is the outlet a V-band?

Yes, it uses a 4.21" Marmon (3.5" V-band) style outlet.

Does this include the center section or hardware?

No—this listing is for the turbine housing only. Clamps, center section, and related hardware are sold separately.

Is this CARB compliant?

This item is not CARB approved and is intended for off-road/competition use where permitted. See your local regulations.

Specifications for BORG WARNER 177207