Pro Circuit 304 Silencer For Enhanced Performance
Pro Circuit 304 Silencer For Enhanced Performance
Available in stock (4)
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
The Pro Circuit 304 Silencer is designed to deliver enhanced top-end performance while effectively reducing noise output. Crafted with high-quality materials and precision engineering, this silencer is a must-have upgrade for any serious rider.
Description
The Pro Circuit 304 Silencer features a slightly longer body, optimizing exhaust flow for increased horsepower in the higher RPM range. The meticulously designed internals ensure effective sound dampening, allowing you to ride without disturbing the peace. The silencer body is constructed from 6061 T6 brushed aluminum, providing exceptional durability and a sleek appearance. The stainless steel inlet tube and end-cap offer superior corrosion resistance and longevity. Each unit is expertly TIG and MIG welded for maximum strength, ensuring it can withstand the rigors of demanding riding conditions. The double-walled mounting bracket provides additional support and stability. Allen head screws allow for easy repacking, extending the life of your silencer and maintaining optimal performance. Proudly made in the USA, the Pro Circuit 304 Silencer combines performance, durability, and ease of maintenance.
Features & highlights
- Experience enhanced top-end performance with the optimized longer body design.
- Reduce noise output without sacrificing power.
- Enjoy exceptional durability with the 6061 T6 brushed aluminum silencer body.
- Benefit from corrosion resistance and longevity with the stainless steel inlet tube and end-cap.
- Ensure easy maintenance and extended product life with Allen head screws for repacking.
- Get peace of mind knowing it's proudly made in the USA.
Technical specifications
- Brand: Pro Circuit
- Product Name: Silencer
- Type: Slip-On
- Muffler Material: 6061 T6 Aluminum
- End Cap Material: Stainless Steel
- Pipe Material: Stainless Steel
- Muffler Color/Finish: Brushed
- Material: Aluminum, Stainless Steel
Important to know
No additional hardware is required for installation unless otherwise specified.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
PRO CIRCUIT
ST04125-SE
Silencer
6061 T6 Aluminum
Stainless Steel
Aluminum, Stainless Steel
Slip-On
Each
Stainless Steel


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

