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Description
Milltek Sport Cat-Back System - Audi 8V RS3 SedanMilltek's latest exhaust offering for the 8V generation can be specified in the firm's customary, open ended manner, giving buyers the freedom design the system best suited to their requirements. It begins with a choice of core systems, either a large bore downpipe and de cat (a product intended for the race track market), or a large bore downpipe and high flow sports cat. Milltek also offers a further option, one aimed at those buyers seeking to
Milltek's latest exhaust offering for the 8V generation can be specified in the firm's customary, open-ended manner, giving buyers the freedom design the system best suited to their requirements. It begins with a choice of core systems, either a large-bore downpipe and de-cat (a product intended for the race/track market), or a large bore downpipe and high-flow sports cat. Milltek also offers a further option, one aimed at those buyers seeking to enhance both the sound and performance of their RS3, a secondary catalyst bypass. It fits both OE and Milltek cat-back systems.
The Milltek Sport range opens with a duo of non-resonated cat-back options. While still completely legal to use on the UK's road network, non-resonated systems will be significantly louder than those mentioned below, able to emit a suitably aggressive exhaust note. Both options consist of a front silencer bypass, a rear silencer with HollowTek Technology (one which re-purposes the OE electronic valves), electronic valve motors, wiring adaptors, a pair of trim connecting pipes, and a choice of oval twin tail pipe options; Cerakote black or polished.
Those RS3 owners seeking a quieter, less raucous exhaust note would be well advised to consider Milltek Sport's other cat-back options, both of which are resonated. Again, the two options consist of beautifully designed and manufactured exhaust components, namely a front silencer assembly, a rear silencer with HollowTek Technology (one which re-purposes the OE electronic valves), electronic valve motors, wiring adaptors, a pair of trim connecting pipes, and the tail pipe options outlined above.
Obviously the Audi RS3 is a highly desirable, wonderfully designed and manufactured car, one that demands that any aftermarket product bolted to it be at least as well engineered as the OE equivalent, and the Milltek Sport cat-back exhaust more than delivers in this respect. Not only is it made from high grade steel and to exhaustive standards, the Milltek silencer delete system has been proven to offer subtle increases in both power and torque, plus a soundtrack that really does need to be witnessed to be fully appreciated!
Constantly striving to build the best exhaust systems technically possible has resulted in a number of Milltek firsts and breakthroughs, with one of the most notable being their HollowTek manufacturing technique. This involves the careful placement of shaped silencer casings, reflection plates and varying lengths of solid and perforated internal tubing, all designed to create special chambers within the silencer itself that cancel out resonant frequencies and drone while driving at speed.
HollowTek ensures that no additional under-hang is visible beneath the system, reduces overall weight, permits the use of smaller boxes, results in a deeper sound, and enhances the pops and crackles that characterise the over-run sound of vehicles fitted with electronic exhaust valve control modules.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
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Product Reviews
★★★★★ 5
My husband loves it!
Size: Large, Color: Black
My husband loves it! Likes the look and quality.
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Great style; unique; fits well.
Size: Medium, Color: Gray
Love the style and the fit. I get a lot of complements wearing this. With only three buttons, wearing this outdoors in the cold might not be practical. Other than that, I like it. I went back and ordered a second coat but in a different color.
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Reviewed in the United States on January 7, 2026
★★★★★ 4
Nice, mid-length trench coat for style and comfort...
Size: X-Large, Color: Black
I like this mid-length trench coat. The seams are good (on the one I got) and the style is perfect for the office, semi-formal occasions and all-around wear. The fit is good, and the only complaint I would have is the sleeves are a bit too short for my long arms.
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Reviewed in the United States on February 9, 2023
★★★★★ 3
It’s ok
Size: X-Large, Color: Gray
This jacket is OK. I bought it for my boyfriend because I really like the coat collar but once it got here. The front fits well but I think the back needs a little more tailoring because it kind of sticks out but he really liked it. He said he could put a heavy sweater up under it. That way he can get more ware out of it. It’s OK.
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Reviewed in the United States on July 21, 2024
★★★★★ 5
Good product
Size: Medium, Color: Gray
Nice to use on cold weather
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Reviewed in the United States on May 4, 2026