Skip to Main Content
Search Suggestions
Menu

We're sorry but this product is currently out of stock.

You can be notified of its arrival by entering your email in the box below.

Product Details

Firebrand Exhaust 4" Grand Prix Slip-On Muffler For Harley

The Grand Prix Slip-On is a great way to amplify the growl of your Bagger. Inspired by the MotoGP race circuit, the Grand Prix Slip-On is guaranteed to stand out with its chrome hex end treatment nesting inside a contrasting black ceramic coated billet end cap. Don’t be fooled by its good looks, the Grand Prix Slip-On is not just for show. Inside the 4” muffler body is a free flowing, stainless core baffle wrapped in dual-density packing. Engineered to bring your bike's potent power plant to life, the Grand Prix Slip-On delivers increased performance, and a sound so deep you can feel it.

Features:

  • 4” muffler body with billet aluminum MotoGP inspired end cap
  • Race-inspired high performance baffle with dual density muffler packing
  • Increases performance and replaces the timid stock sound with a deep roar
  • Made in the USA
Made in the USA
This Product Fits

Firebrand Exhaust 4" Grand Prix Slip-On Muffler For Harley Installation

Product Description
Fitment
Installation
7 Customer Reviews
7 4.5/5
5 Questions & 6 Answers
Join now & get rewarded!

Get Free 2-Day Shipping and $15 + 5% RPM Cash on this order.

Already enrolled in RPM? Link your existing membership here.

Related Videos

The Indian Larry Twisted Frame Chopper | J&P Custom Motorcycle Builds

150-Horsepower Harley-Davidson | J&P: Custom Motorcycle Builds

124 Cubic Inch Twin Cam FXR | J&P: Custom Motorcycle Builds

The First 8 Things You Should Change When Buying a Harley Davidson

Reviews & Questions

$39.99/yr.
Spend Less. Ride More.
  • 5% RPM Cash Back*
  • 10% Off Over 70 Brands
  • $15 in RPM Cash When You Join
  • Free 2-Day Shipping & Free Returns*
  • And more!
Become a member today! Learn More