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Description
GPR Exhaust System Honda CB750KZ Seven Fifty 1978-1982, Ultracone Bronze Cafè Racer, Universal silencer, Including Removable DB Killer, without Link PipeProduction Time: 15 25 DAYS Weight: 1. 8 Lbs. 3. 97 Kg. Length: 11. 81 in. 300 mm. GPR's Ultracone series is direct from the races with a super sporty look. It is made of hand brushed 304 stainless steel, with visible TIG welds on the cone, a graduated endcap and cone shape. It has a diameter of 2. 8 inches x 4. 3 inches (70MM x 110MM). FEATURES SOUND: Upgraded sound from stock exhaust PERFORMANCE: Upgraded performance from stock exhaust QUALITY:
Production Time: 15 - 25 DAYS
Weight: 1.8 Lbs. / 3.97 Kg.
Length: 11.81 in. / 300 mm.
GPR's Ultracone series is direct from the races with a super sporty look. It is made of hand-brushed 304 stainless steel, with visible TIG welds on the cone, a graduated endcap and cone shape. It has a diameter of 2.8 inches x 4.3 inches (70MM x 110MM).
FEATURES
• SOUND: Upgraded sound from stock exhaust
• PERFORMANCE: Upgraded performance from stock exhaust
• QUALITY: Italian made with high-grade welding
• WEIGHT: Lighter than stock exhaust
This is not a plug-and-play installation. Due to the complexity, the installation requires a professional shop that specializes in Cafè Racers. The installation requires installing, cutting the original header and creating the connection to the silencer directly on the motorbike. This kit does not include link pipes, and the professional mechanic must manufacture or create a link pipe and fitting.
This is a universal kit, designed for transformations and customizations. Because it does not include link pipes or brackets, it requires changes to the manifold for proper installation.
This is an original GPR product, developed after GPR's experience in the World Championship. It offers an innovative design, improved performance, weight savings and a full-bodied sound.
Made in Italy with a 2-year international warranty.
Tampering with the DB Killer welding or antitampering screws or fastener is illegal for road use within the EU directives. It is permitted only for RACING use in the circuits. The use of the open version (without the DB Killer) on roads does not comply with regulations governing circulation on the public road network.
This kit is homologated for noise only. Please check whether a catalyst is necessary within your country to be road-legal and to pass any local inspections.
GPR Products are plug-and-play. However, we do recommend a professional installation.
If you buy online from a seller that is NOT GPR, we recommend you buy from a seller in YOUR COUNTRY to ensure that the item arrives with the correct approvals that must also comply with local legislation. Make sure before purchasing that the seller is trustworthy and offers the items that comply your road network.
Each package includes the homologation certificate, assembly instructions, and a homologation code on each silencer.
In case of a problem during installation, please stop the installation process and immediately contact customer care via email at [email protected]
Requires cutting the original header
Reference: CAFE.19.ULTBRZ
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
4.5 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 1
Their other flavors without fizz are great...but not this one (My honest opinion).
Now I know why this one was so cheap! The taste was not pleasing to me at all... I threw it away. However, I do love their other lines, with the berry flavor being the best! Orange is good too but to obtain the best flavor, 2 spoons are required (for me anyways). Also, the berry flavor (while only taking 1 spoon) is even better tasting if you add a little lemon juice to it. Finally, I read that adding lemon juice to water helps to prevent kidney stones! Who knew! This is a good product but I think they went to far trying to add "fizz".... the effect was negative while the previous products are great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 26, 2025
★★★★★ 5
Fizzing fiber drink
This is a great tasting fiber drink, plus added vitamins..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
Best one yet
Best tasting Metamucil if you enjoy carbonation. Less sweet than regular (even the no added sugar version felt a bit overly sweet to me). Lemonade is a close second but a bit too expensive. Wish it would come with a scoop but I saved one from a different product and dropped it into the jar here.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 25, 2026
★★★★★ 3
Great product, dislike new 43oz size
Works well. Prefer the “fizzy” formula over all others.
I recommend adding powder to your cup, fill 30-50% with cold water, then use a small handheld milk frother to blend. It’ll “foam” then settle, add you can add more water. (If you fill the whole cup with water right away it’ll overflow when it foams up.)
I prefer to drink it quickly, before it starts to thicken into a heavy gel/paste.
3 star rating for 2 reasons:
1) Strongly dislike the food coloring!
2) They recently changed container size and shape. It used to be a 29oz cylinder, now it’s 43oz and more like a tub.
The new format is too large for my kitchen vitamin drawer + too wide and heavy to grab with one hand. (I’ve included side by side pics here - didn’t think to take them until I’d already removed the 43oz label for recycling.)
I saved my last 29oz canister and I’ve been decanting powder from the 43oz, keeping the 43oz in pantry storage.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
★★★★★ 5
Great product
I have been using Metamucil for a long time!
I can tell a difference in using the plain and the vitamin variety. I feel a more energetic. I will not use this variety close to bedtime.
It does fizz a lot. Only add a small amount of water to the glass and after the fizz settles down add more water.
Great product!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
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