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Exhaust› Exhaust Pipes, Systems and Components

M4 Exhaust

Slip-On Exhaust System

Name: Slip-On Exhaust System
Brand: M4 Exhaust
SKU: HO3312

$474.00 $436.79 Save $37.21

SKU: HO3312

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Overview

The M4 Exhaust slip-on is a motorcycle exhaust system designed to add power and a race-inspired sound. It utilizes the stock header and mounts to the passenger foot peg assembly. This exhaust is manufactured with quality workmanship and ease of installation in mind.

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The M4 Exhaust slip-on system is designed to enhance the performance, appearance, and sound of your Honda CBR300 or CB300F. This exhaust utilizes the stock header and mounts to the passenger foot peg assembly, mirroring the configuration of the heavy stock muffler for a straightforward installation. M4 Exhaust focuses on quality craftsmanship and ease of installation, ensuring optimal performance for your motorcycle. This slip-on exhaust is available with a polished canister, as well as carbon or titanium options. Optional dB reducing muffler inserts, Stage 1 (Q8) and Stage 2 (Q6), are sold separately and can be used to further tune the sound output. The system is dyno-tuned for precision, aiming for optimal performance and sound.

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

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Specifications

Brand	M4 Exhaust
Part Number	HO3312
Category	Exhaust

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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.

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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.

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