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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:
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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
4.0 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
Fun dog toy, but not for heavy chewers
Color: Pink, Size: 14 IN
The armadillo is cute. My pittie, Sasha, was very excited to see it. She just had TPLO surgery on her left knee (she tore her ACL just before the 4th of July), and I wanted to get her something she could play with while she convalesces, that isn't a ball—she really likes to run and jump and chase the ball, but with her knee out of commission, I didn't want her to get depressed being trapped in her crate while she heals—with this toy, she was able to keep playing and not over excert herself and get more hurt. It quickly became her favorite toy; she chews it relentlessly and gets made when I take it from her (see below).
It makes a funky squeak that's not a high-pitched squeak, like I thought it would be; it's more a low-pitched, lowing sound like a baby calf. One thing I would like to point out to other purchasers about what the description says:
"Durable and Long Lasting - Made from premium soft materials, our cute plush dog toys can withstand rough play for indoor or outdoor and last for years to come. The textured surface also helps massage and soothe your dog's gums during playtime"
This is a little misleading. It's a good texture and Sasha loved to play with it, but it wasn't very durable. It might be when compared to other chew toys, but not for my baby. She tore the nose off within 20 minutes of getting it. The next morning, she ripped off an ear, and I had to pull the stuffing out of the face so she wouldn't eat it while chewing away. She doesn't seem to mind, but I sure wish it had held up a little more.
All-in-all, this was a good toy for a few days.
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Reviewed in the United States on July 29, 2025
★★★★★ 5
Must buy!
Color: Grape
My dogs love this and so do I. It really smells like “fun grape” like a fun smelling marker. It’s gentle for their teeth and durable! They are both interested in it and take turns using it, pretty awesome!
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Great for SuperChewers. Keeps my Golden busy.
Color: Bear, Color: Bear
My dog loves it and it keeps her busy for a while. She actually pulls it out of her toy basket and brings it to me when she wants it filled. I break her treats into some pieces that are easy to get and some a little harder. This way she doesn’t get them too fast or loose interest if they’re harder to get. Also, she’s had it for 3 months and there’s barely a mark on it and she’s still a puppy that chews her toys to pieces.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Durable, cute, & smells so good!
Color: Bear
OMG- didn’t expect this to be my dog’s favorite stuffable dog chew, but it is!! This durable rubber like dog chew is still intact and smells like blueberries after over 2 months! Great for hours with each new treat! Am buying another, when I need to :) great value
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Reviewed in the United States on April 4, 2026
★★★★★ 4
Mostly happy
Color: Grape
Have a 1 1/2 yr old Belgian Malinois who needs things to do. I bought these and he loved it. Bad thing, it took him 1 day to chew the rope off both grape and pineapple. The stems on the cherry were also chewed off. The rest of the toy is intact and he still loves it.
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Reviewed in the United States on May 14, 2026
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