SKU: 87385236131

Cobra Sport BMW M4 (F82) Coupe 3" Valved Primary Cat Back Performance Exhaust

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Description

Cobra Sport BMW M4 (F82) Coupe 3" Valved Primary Cat Back Performance ExhaustFits to Primary O E Catalyst Pre PPF models only. (Requires 2 x BMW gasket part number 18307851168 not included). Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality. This BMW M4 (F82) Coupe performance exhaust is made in 3" 76. 2mm pipework and fits from the primary catalytic converter

Fits to Primary O/E Catalyst - Pre-PPF models only. (Requires 2 x BMW gasket - part number 18307851168 - not included).

Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality.

This BMW M4 (F82) Coupe performance exhaust is made in 3"/76.2mm pipework and fits from the primary catalytic converter section backwards. This exhaust replace the secondary catalyst (Cat Bypass), centre and rear sections.

This exhaust includes the secondary de-cat and is sold for motorsport and off road use only and will NOT be able to pass a UK MOT emissions test or police road side checks.

EML lights may activate after removing the standard second O/E catalyst. An ECU Re-map is recommended to correct this problem and stabilise all power increases.

This primary cat back exhaust includes a H-pipe section to combine and equalise the gas flow giving a sportier exhaust note.

Please Note - This performance exhaust retains the use of exhaust valves. When switching drive modes (e.g. Normal to Sport+ mode) your exhaust tone will continue to swop from quieter to louder tones as before.

Requires 2 x BMW gasket - part number 18307851168 - all other relevant gaskets and fittings are supplied.

Press Release

Keen to make a step above and differentiate from the competition, Cobra Sport have used their extensive experience and use of new exhaust technology to create a product which truly stands out in the aftermarket performance market.

The Cobra Sport research and development team quickly made the decision to base the new M4 exhaust systems on 3" (76.2mm) T304 grade stainless steel pipework. The larger diameter 3" pipework enhances the capabilities of the 3.0 litre twin turbo V6 engine and utilising advanced gas flow design, allows for substantial performance improvements. The M4 development has been based around a valved cat back exhaust with the addition of a secondary de-cat (catalyst bypass) exhaust upgrade. The cat back exhaust includes a centre H-Pipe section, designed to mix and perfectly balance gas flow from both sides of the engine to increase power, improve flow efficiency and enhance the exhaust tone.

Extensive road testing was undertaken in order to ensure there was no resonance or exhaust drone in the cabin throughout the rev range in all drive modes. The sound of the new Cobra Sport exhaust boast vastly improved tonal characteristics, with the new exhaust offering a deeper more aggressive sound when under full load. The Cobra Sport exhaust incorporates a pair of exhaust valves designed to utilise the existing valve motors , enabling continued use of the M4 drive modes to adjust the dynamic of the exhaust. In the comfort driving mode the valves remain shut forcing the gas flow through the flow optimised rear box, creating a finely tuned exhaust note for a sporty but unobtrusive sound track for everyday use. With the valves open in Sport and Sport+ mode, the gas flows through all 4 tips creating a highly aggressive sound track.

Cobra Sport Sales Manager Matt Thomas commented, "Building on an existing first class reputation in the BMW tuning market, we're excited to be adding the Cobra Sport sound and performance upgrade to the stunning M4. Power testing the secondary de-cat and cat back system revealed an impressive +21.25bhp and +9.2lb-ft of torque. The free flowing 3” pipework and optimised exhaust technology opens up huge potential for M4 owners looking to increase power whilst also obtaining a pitch perfect exhaust tone."

Cobra Sport have improved the styling of the BMW M4, creating a noticeably enhanced and balanced look to the rear of the M4 with a choice of quad 3.5" (88.9mm) inward rolled baffled or inverted highly polished stainless steel tailpipes. For those looking to take the style upgrade a stage further, upgraded ceramic coated matt black 'Blackout' tailpipes are available.

Media

Example of the BMW M4 Performance Exhaust (Valved Primary Cat Back Exhaust).

Interior Sound Example of the BMW M4 Performance Exhaust (Valved Primary Cat Back Exhaust).

Fitting Video - BMW M4 Performance Exhaust (Valved Primary Cat Back Exhaust).

Rolling Road Power Testing - BMW M4 Performance Exhaust (Valved Primary Cat Back Exhaust).

Example of the BMW M4 Performance Exhaust (Valved Secondary Cat Back Exhaust).

Shipping Notes
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Exchange/Return Notes
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SKU: 87385236131

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Reza
Battle Creek, US
★★★★★ 3
Good for quick music sessions, but disappointing for calls and comfort
Color: Black
Here are two updated versions of your review that incorporate the new details about quality, value, controls, and noise cancellation. Option 1: The "Pros & Cons" Breakdown (Highly Scannable) Headline: Great Battery and Sound, but Lacks Comfort and Effective Noise Isolation I’ve had a chance to test these thoroughly, and here is how they break down based on the key features: Quality & Controls: The build quality is good, and the controls are intuitive and easy to use. Battery: Excellent. It lasts a very long time on a single charge. Sound & Music: Very good for music listening, though the noise canceling is very bad. You will hear most of what is going on around you. Comfort: Not for long-term use. After a while, they cause noticeable pain on the ears. Call Quality: Quite bad. If you are doing any work or moving around, the person on the other end will be bothered by the background noise. Value for Money: Average. While the battery and music are highlights, the lack of comfort and poor mic quality make the price feel only "okay." Option 2: The Narrative Review (Best for Amazon's Algorithm) Headline: Good for quick music sessions, but disappointing for calls and comfort The Sony WH-CH520 is a solid device in terms of build quality and controls, and the battery life is truly impressive. If you just need a pair of headphones for short music sessions, these sound great. However, I found the value for money to be average due to a few major flaws. First, the comfort is lacking; they start to hurt my ears after wearing them for a short while. Second, the noise canceling is very poor—don't expect these to block out your environment. Finally, I do not recommend these for phone calls. The mic picks up way too much ambient noise, which makes it frustrating for the person you are talking to. Great for the battery and buttons, but not ideal for an all-day office or travel headset
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Reviewed in the United States on April 19, 2026
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Kindle Customer
Lake Worth, US
★★★★★ 5
Soft, fluffy, wash and dry perfectly, snuggly, comfy--GET A FEW! You will love them!
Color: 01 - White, Size: Twin (60" X 80")
This is my third purchase of this item! I love these blankets--soft, fluffy, snuggly, but lightweight. They keep you warm but not overly so--I miss these when I travel because hotels just don;t have anything even close to these soft blankets! I have them in the MBR, Guest BR and an extra. I also bought one recently to line the seat of a wagon for toddlers who will be riding along with the bridal party--will keep them comfy but since it isnt bulky it won't interfere with the wagon appearance. The ones I have wash up very nicely and I do put them in the dryer on low and they come up nice and fluffy--the price is fantastic too! For storing themm, they take almost no room at all! Get a couple-your sleep and sweet dreams will thank you!
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Reviewed in the United States on May 18, 2026
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Pinky1stState
Louisville, US
★★★★★ 5
After 8 years, still a great blanket! Holds up to pets too!
Color: Grey, Size: King (108" x 90")
This is a lovely king-size blanket. It is lightweight comfort for chilly days. It can be used with other blankets for additional warmth as needed. I have two older Bedsure king-size blankets (teal and camel) that are 8 years old now and they have maintained their color. I used them for bedspreads for queen-size beds that cover well. They do have some slight wear but are still in good shape - holding up to cats and dogs. The latest purchase are two grey king-size blankets that I am using to cover an old, two-cushion style couch. I needed the extra width for tucking in the cushions and completely covering the arms, sides, and back of the couch. The new look and comfort is also holding up to the 10-year old dog who likes to nap on the couch occasionally. I have found that these blankets do well with spot cleaning as needed. Pet hair does not seem to cling to these blankets and as needed, I use a lint brush. When washing, I wash them on gentle cycle with regular detergent. I use a little vinegar in the rinse cycle. I hang them outside to dry and they dry quickly. On a rare occasion I use the dryer and when I do, there is very little lint from blanket. With the new grey blankets, I followed the gentle reminder noted on the plastic bag and - took the blanket directly from the bag (there was no smell) and put it in the dryer on low heat (about 15 to 20 minutes) and it came out full looking and fluffy soft (luxurious feeling actually). I really like these blankets and recommend them highly to friends and family. I hope this is helpful to you.
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Reviewed in the United States on April 15, 2026
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Nelli Peftiieva
West Palm Beach, US
★★★★★ 5
Very soft and cozy
Color: Grey, Size: Queen (90" X 90")
I bought this for the bed, but the second it arrived my husband claimed it. It is so incredibly soft and cozy, but lightweight enough that you don't overheat. The grey color looks great with our decor, and I love that it doesn't get static- like other fleece blankets. It also washed really well and didn't shed at all.
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Reviewed in the United States on May 21, 2026
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TB
Omaha, US
★★★★★ 5
Like to snuggle up in soft warm blankets? This one's for you
Color: Grey, Size: King (108" x 90")
I purchased this after the one I had previously received as a gift was ruined. That's how much I love this blanket. It doesn't get that weird rougher texture after washing that some of these fleece blankets get. It's ridiculously soft and so warm and comforrtable. The sizing is totally accurate and I slept like a toasty warm baby using this product. It's a blanket so use is self explanatory. Put it on your bed or couch or wherever you want and snuggle in for warmth and comfort. It's a very high quality product for a very reasonable, even affordable price. If you like high quality products that everyone can afford then this is the blanket for you. This even improved the quality of my sleep. It does have some stretch, but it's not overly stretchy. Believe me, this blanket would be a welcome addition to your home.
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Reviewed in the United States on May 23, 2026

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