SKU: 54421429662

Active Autowerke Signature X-Pipe w/ High Flow Cats - BMW E9X | M3

Sale price$1859.00 Regular price$2065.55
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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8

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Description

Active Autowerke Signature X-Pipe w/ High Flow Cats - BMW E9X | M3Active Autowerke BMW E9X M3 Signature X Pipe w High Flow Cats Active Autowerke is proud to release the highly anticipated Signature Track Pipe with X Pipe and Connecting Pipes for the BMW E9X M3. This exhaust system was designed and engineered to work with most after market exhaust systems mufflers on the market today without the need to cut, weld or modify anything. It is a true bolt on that can be performed by most. This system uses a free flowing

Active Autowerke BMW E9X M3 Signature X-Pipe w/ High Flow Cats

Active Autowerke is proud to release the highly anticipated Signature Track Pipe with X-Pipe and Connecting Pipes for the BMW E9X M3.

This exhaust system was designed and engineered to work with most after-market exhaust systems/mufflers on the market today without the need to cut, weld or modify anything. It is a true bolt-on that can be performed by most.

This system uses a free flowing 100 cell high flow catalytic converter.

Active Autowerke is able to improve on the factory X Pipe design by a scavenging effect that yields high horsepower gains. Dramatic weight savings are also gained when one compares the factory system at 40 lbs and the Active Autowerke Signature X Pipe weighting at a mere 25 lbs. Noticeable gains have been measured on the Active Autowerke Mustang Chassis dyno with a 12+ RWHP when adding this X Pipe to our Signature exhaust system and as much as 10+ RWHP when used to the BMW stock exhaust.

The Active Autowerke X Pipe system is constructed of 100% 304 polished stainless steel and has a industry standard warranty against rust. This latest addition to the Signature line up is a must for the true Enthusiast looking for performance increases.

FEATURES:

  • Free flowing 100 cell High Flow Catalytic Converter
  • Durable Polished 100% 304 Stainless Steel
  • Increase of 10+ RWHP
  • Completely Bolt on with Factory Style Flanges
  • Weighs 25 lbs. versus the heavy factory 40 lbs.
  • No Cutting Required
  • Weighs 40 Lbs vs. the factory of 55.1 Lbs.
  • Install to all systems that use factory style fitting
  • Two year warranty


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 54421429662

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4.1 ★★★★★
Based on 12 reviews
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B
Verified Purchase
Brandi
Carnegie, US
★★★★★ 5
Good, but the reviews messed me up.
Size: 40, Color: Hot Pink
I like this suit. I really do. It's much better quality than I expected. Color matches what I saw on my screen. 100% worth the $70. My problem was listening to reviews. Most say fit perfect, follow their size chart. Another says their son is normally size 32 and she ordered a 38 and it fit perfect, so make sure to order 1 or 2 sizes up. My advice is go with your gut. My son is normally a size 34...I ordered a a 36 because of both their size chart and reviews. After looking at the size chart I told myself that's too big, but said no, reviews state this is perfect and it is 1 size up from what he wears. As I was ordering I was telling myself "this is going to be too big, I just know it." Guess what? I was right...and now I'm paying for these size 4XL pants to be tailored (am I stupid or is a 36 supposed to be 4xl?? I still wonder if this is my mess up). The jacket actually fit quite nicely, maybe a tad too big, but not enough to even need to tailor it. Honestly this company needs to let us pick a size for the jacket and a size for the pants, instead of it being almost a guarantee one of them will be too big.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2024
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 1
Zero stars
Size: 30, Color: Hot Pink, Size: 30, Color: Hot Pink
I was sent this package with the item dirty. Black stains throughout as if it was worn right before selling it, which IT WAS. I found someone’s ID in the pocket and chewing gum wrapper. Never again.
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Reviewed in the United States on February 12, 2026
J
Verified Purchase
Jamiee Jarrett
Grantham, US
★★★★★ 5
Loved it.. Slim fit Prom suit!
Size: 30, Color: White
I absolutely loved this suit!! It fit my son PERFECTLY!! It’s a true slim fit like the kids like these days. I’ve bought several suits online and none of them fit like this one. They SAY slim fit but they’re not. This one was!! 👌🏽 My son is small. He’s a Junior this year and wears a size 30… it’s true to size! ❤️ He’s about 5’8” 125lbs and still had some room in the length. He would of got the length hemmed a bit cuz he likes his pants right above his ankle. If your son is taller, you might not have to hem. We ordered the white. Unfortunately I had to return it because his girlfriend switched color schemes from pink & white to pink & black so he wore a blk suit he already had. I was tempted to still keep it because that’s how much I liked it on him. He liked it too 😩 But chances are he wouldn’t be able to fit it next year so I decided to return it. But, I’m definitely buying this suit again next year… hopefully the other colors fit like the white one, just incase his girlfriend wants a different color. The white was not see through. Very good quality especially for the price. I felt bad returning it… but trust me, I’ll definitely buy it again next year for homecoming/prom!!
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Reviewed in the United States on April 26, 2024
D
Verified Purchase
Dr. Asambang
Phoenix, US
★★★★★ 3
Too big! Go down a size if you buy this.
Size: 42, Color: Red
Too big! Go down a size if you buy this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
K
Verified Purchase
Kyara Harvill
Alexandria, US
★★★★★ 5
Good but true to size, don’t size up even if the company says too!
Color: Black, Size: Large, Color: Black, Size: Large
It fits the way it should and is a decent suit for $100 and is super soft material so the outside feels great and the inside is silky so it is all around a good suit. But the company reached out and asked for measurements to double check sizing. I ordered a large and giving measurements and all that, the company told me to size up and order an XL. Definitely should have gone with a large. It was extremely long in the pants and sleeves due to upsizing.
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Reviewed in the United States on January 10, 2026

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