Milltek Resonated Cat-Back Exhaust - INEOS Quartermaster - Burnt Titanium Tips - SSXINE125

Milltek Resonated Cat-Back Exhaust System for INEOS Quartermaster (Petrol). This performance system replaces the factory exhaust, delivering enhanced flow through 2.75" (70mm) mandrel-bent T304L stainless steel piping paired with hand-finished Burnt/Blue titanium tips.

Constructed from T304Lstainless steel and engineered to OEM+ fitment standards. The resonated design eliminates drone while preserving a sophisticated, engineered tone across the rev range. Installation requires selective OE system modification; no structural changes to vehicle required. Uses factory mounting points and OEM hangers where applicable.

Fitment & Specifications

• Vehicle: INEOS Quartermaster (Petrol engine)
• Pipe Diameter: 2.75" (70mm), mandrel-bent
• Material: T304L stainless steel, hand-finished
• Design: Resonated (optimized sound character)
• Tip Finish: Burnt/Blue titanium
• Installation: Cat-back configuration; OE system cutting required

Engineered for real-world driving with measurable exhaust flow improvement.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Specifications

• Pipe diameter: 70mm (2.76")
• Fitting time: 1 to 2 hours, including removing the factory system
• E-marked for road use

Fitment

• INEOS > Quartermaster > 3.0 (B58) Petrol (OPF & Non-OPF Vehicles) > 2024 and Later

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.