Milltek Resonated Race Cat-Back Exhaust - Audi TT MK1 225 Quattro - Cerakote Black Tips - SSXAU425

Milltek Resonated 3-Inch Race Cat-Back Exhaust for the Audi TT MK1 225 Quattro

A 3-inch (76.20mm) race cat-back for the TT MK1 1.8T 225 Quattro Coupe and Roadster (1998 to 2006), finished with twin Cerakote Black GT-100 tips. It frees up flow behind the catalyst and gives the 1.8T a quieter, more refined tone.

Key Features

• Race-spec flow: 3-inch (76.20mm) pipework from the cat back.
• Resonated centre silencer: keeps drone in check for a quieter, more refined tone.
• Tips: twin Cerakote Black GT-100 tips.
• Built to last: T304L stainless steel construction.

Technical Specifications

• Material: T304L stainless steel
• Pipe Diameter: 3.0" (76.20mm)
• Resonated: Yes
• Tips: 2x Cerakote Black GT-100 (MSVW372)
• Kit contents: centre silencer (MSAU609), rear silencer assembly (MSAU610), 2x tips (MSVW372)
• Fitting time: 1 to 1.5 hours

Fitment

• Fits: Audi TT MK1 1.8T 225 Quattro Coupe and Roadster, 1998 to 2006.
• 180 models may require the dual-outlet rear valance from the 225 model.
• Pairs with the Milltek race large bore downpipe and hi-flow sports cat (SSXAU431), which is designed for this 3-inch Race System and requires a Stage 2 ECU remap.

Why Choose Milltek?

With decades of experience in performance exhaust systems, Milltek is a trusted name among automotive enthusiasts, and every system is engineered for precise fit and consistent performance.

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

Specifications

• Pipe diameter: 76.2mm (3.00")
• Fitting time: 1 to 1.5 hours, including removing the factory system

Fitment

• Audi > TT MK1 > 225 Quattro Coupe & Roadster > 1998 to 2006

• 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.