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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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Description
CTS Turbo BMW F90 M5/M5C & BMW G15/G16 M8/M8C HIGH-FLOW CATS DOWNPIPE SETCTS Turbo CTS Turbo BMW F90 M5 M5C & BMW G15 G16 M8 M8C HIGH FLOW CATS DOWNPIPES are made to maximize exhaust flow for highest power gains. Do not compromise performance and sound with factory parts. \n \nDesigned using the latest in CAD technology; this part is made to fit perfectly in place of restrictive factory catalytic converter. Manufactured from CAST T304 stainless steel; hand TIG welded and back purged to ensure years of reliable performance.
CTS Turbo CTS Turbo BMW F90 M5/M5C & BMW G15/G16 M8/M8C HIGH-FLOW CATS DOWNPIPES are made to maximize exhaust flow for highest power gains. Do not compromise performance and sound with factory parts.\n
\nDesigned using the latest in CAD technology; this part is made to fit perfectly in place of restrictive factory catalytic converter. Manufactured from CAST T304 stainless steel; hand TIG welded and back-purged to ensure years of reliable performance.
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\nIn addition to unleashing the power and performance of your 4.4 Twin Turbo, our High-Flow Cats will make your vehicle sound like it really should. When installed with factory exhaust it produces a louder and deeper growl with much more pronounced exhaust "crackle" on downshift. While up-shifting you will enjoy a confident "punch!" as you bang through all 8 gears. The sound will be even louder if you already have an aftermarket exhaust system.
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\nProduct Details:
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- 80mm or 3.15" diameter piping
- Cat size: 110mm OD x 90mm Long or 4.33" OD x 3.54" Long
- Includes 200 cell sport catalytic converter
- Designed and tested on a real car in the real world
- Cast T304 stainless steel, TIG welded back-purged construction
- Replaces restrictive factory catalytic converter
- Great power upgrade with uncompromising performance
- Incredible sporty exhaust sound, subtle when cruising
- No drone with factory exhaust
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\nFitment for M cars only with S63 engine:
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- 2018-2024 F90 BMW M5 (Including Competition Models)
- 2019-2024 G15/G16 M8 Coupe, Convertible & Gran Coupe (Including Competition Models)
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\nTo remove the CEL that will occur, proper stage 2 tuning software must be used.
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
- 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
4.4 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Nice
Size: 9, Color: Black
Very comfortable. Worth the money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
Comfortable
Size: 7, Color: Black
Super comfy and stylish, I’ve never worn these styles of loafers however I’m glad I purchased these.
I’ve purchased another pair in a different color.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Outstanding quality
Size: 11, Color: Black Faux Leather, Size: 11, Color: Black Faux Leather
The loafers are very comfortable with the puffy insole, very nice quality, and overall a very good shoe. I suggest a half a size up because they are kinda narrow.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
nice loafer
Size: 10, Color: Brown Faux Suede
comfortable and nice-looking loafer. i wear 10.5 and ordered 10 and they fit fine. haven't worn them much yet so i can't say how they'll hold up but seem pretty nice for the price.
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Reviewed in the United States on February 18, 2026
★★★★★ 4
Great Bang for Buck! SIZE DOWN!
Size: 11, Color: Tan Faux Leather
The Quality of these shoes are great! They feel good, are a deep brown color, the stitching is good, all in all great shoes. They are comfortable to walk around in making them a versatile choice for any occasion. My only issue was sizing. As everybody says these shoes run big, I am usually a 10.5/11. I went with the 11s and they are slipping off my heels. Size Down!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
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