Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Exhaust› Exhaust Pipes, Systems and Components
Milltek
Milltek Resonated Cat-Back Exhaust System, 2.75" Pipe, Quad Tips
SKU: SSXAU456
Moderate — 2–4 hours
Overview
The resonated design is crafted to produce a pronounced yet refined tone, enhancing the vehicle's acoustic character while eliminating drone during cruising. It is designed as a direct bolt-on replacement, utilizing OEM hangers and mounting points for seamless integration without modification.
Show original supplier description
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Milltek |
| Part Number | SSXAU456 |
| Category | Exhaust |
Videos
Installing The Milltek Exhaust on the Audi TTS!
Audi TTS Exhaust Upgrade [MILLTEK SPORT CAT-BACK]
Audi TTS 2.0l TFSI 2008 - Exhaust Cata sport Milltek / CTS - Forge
Audi TT Mk3 TTS 2.0 TFSI Milltek
Audi TT 2.0 TFSI Milltek vs TTS
8S TTRS Milltek GPF-Back Exhaust System Upgrade [Before & After Sounds]
Audi TT RS - Milltek Sport Highflow Downpipe Install [Before & After Sound]
316bhp Audi TTS with Milltek Sport exhaust
2012 TT-RS Milltek Exhaust vs. Stock comparison
Audi TTS Stage 2 - Launch control with Milltek non-resonated system - Clumber Park
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy