Bill's Pipes SA-4 Exhaust System
  • Bill's Pipes SA-4 Exhaust System
  • Bill's Pipes SA-4 Exhaust System - Stainless Steel/Aluminum/Stainless Steel
  • Bill's Pipes SA-4 Exhaust System
  • Bill's Pipes SA-4 Exhaust System

This product is bike-specific
Please click on "Select your bike" below to purchase the part that will fit.

First select your bike:

Savings (10%):
$512.99 - $719.99
The price depends on which bike you select. Select your bike to continue.

Select qty:

Add to Wish List

Bill's Pipes SA-4 Exhaust System

If you are looking to squeeze every ounce of power out of your bike but don’t want to spend a fortune, look no further than the Bill's Pipes SA-4 Exhaust System. The SA-4 full system delivers performance that is unmatched for the price, with huge horsepower and torque gains across the entire power band. Lighter, stronger, and more powerful than the stock system, the construction of the SA-4 is unrivaled.


  • Lightweight brushed aluminum muffler
  • TIG welded reinforced muffler bracket
  • TIG welded 304 Stainless steel mid pipe and head pipe
  • Black powder coated stainless steel end tip
  • Dual exhaust CRF models will include lightweight carbon fiber end tips
  • Massive horsepower and torque gains throughout entire power band
  • Removable screen-type spark arrestor included
  • Made in the USA
This Product Fits:


Orders $39.99 and over qualify for our fast free shipping offer. Click Here for FREE Shipping Terms and Conditions.

Please see our International Orders page for orders shipping outside the US.

We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.


If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

Write a Product Review for a chance to win our monthly $100 giveaways.
There are no reviews for this item. Write Review