Exhaust› Exhaust Pipes, Systems and Components

SC Project

S1 Tapered Exhaust System

$672.00

SKU: K42-41T

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The SC-Project S1 exhaust is a tapered exhaust system designed for enhanced airflow. Developed with technology from World Superbike racing, it features a conical shape for optimal back pressure and ground clearance.

Constructed from aeronautical grade materials, this exhaust system includes a large-diameter outlet and comes with bike-specific mounting hardware. It is backed by a 24-month factory defect warranty.
Show original supplier description
The SC-Project S1 exhaust is a performance-oriented exhaust system engineered with technology directly from World Superbike racing. This design is crucial for maintaining proper back pressure and ensuring optimal ground clearance during extreme lean angles. Included with the S1 exhaust are all necessary bike-specific mounting hardware for straightforward installation. SC-Project backs this racing-inspired design with a 24-month factory defect warranty, underscoring their commitment to quality and durability.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSC Project
Part NumberK42-41T
CategoryExhaust
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy