Gibson Performance Superflow MWA Mufflers

$102.44 - $147.68
Made in the USA
Made in the USA
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  • Increase Performance and engine growl
  • Designed to create a deep, powerful sound
  • Constructed of high quality stainless steel
  • Rust and corrosion resistant
  • Mufflers are non-directional
  • Allows for maximum exhaust flow with minimal restriction
  • No internal packing or baffles
  • Backed by a limited lifetime warranty
  • Made in the USA - Corona, CA

Turn up the volume with Gibson Performance Superflow MWA mufflers. Gibson "Mufflers with Attitude" Superflow mufflers are built tough, sound even tougher, and might even add a couple of extra horsepower to your ride.

Constructed of stainless steel, Gibson MWA mufflers are corrosion and rust resistant. A flow-thru design ensure that maximum exhaust flow is achieved, allowing your engine to perform without restriction. Gibson MWA mufflers flow only 3cfm less than a 3" straight pipe, which is undoubtedly an impressive number.

Sound is king in the muffler world, and the MWA mufflers sound fantastic. Gibson designed these muffler using no internal packing or baffles, which creates a mean growl outside the car while creating minimum drone inside the cab.

Gibson MWA mufflers are backed by a limited lifetime warranty, made in the USA, and are going to turn heads while blasting down the road. What more are you looking for in a muffler? Order yours today!

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Spec Sheet
California Residents: Prop 65 Warning


Gibson Performance Superflow MWA mufflers require cutting and welding to install. If you have any questions, don't hesitate to give us a call.


Gibson Performance offers a limited lifetime warranty on all of their mufflers.

Who is covered and for how long?
Gibson Performance warrants this product to be free from defects in material and workmanship for as long as the original purchaser owns the vehicle on which it was originally installed and sold within the United States.

What voids this warranty?
Failure to provide proof of purchase, Damage from collision or accidents, improper installation, altered/modified or changed in any way, off-road or racing use, vehicles equipped with non-factory supercharged, turbo-charged or nitrous oxide, road hazards, incorrect timing and external heat wraps.

Gibson Performance will not be responsible for:
This warranty does not cover corrosion, discoloration, internal rust, surface rust, or rust-through. ONLY STAINLESS STEEL PRODUCTS are warranted for rust-through. Cost of labor incurred to install or remove the product. Additional parts required to complete installation, shipping charges, loss of use of vehicle, car rentals, towing and other expenses. Damage to chrome plating, peeling, gaskets, burnout, cracking, cosmetic appearance, paint and parts blown out by "back fire". Customer's individual sound preference or mufflers meeting the specific sound ordinance in any city, county or state. Inconveniences or consequential damages occasioned by failure of the product, or expressed or implied warranty with respect to this product other than as set forth herein.

How you can get service if a problem occurs:
If you believe you have a defective part contact our Customer Service Department for a Return Authorization Number. The original product must be returned to the factory, freight pre-paid with a copy of your original sales receipt and a description of the problem.

What we will do to correct the problem:
If a defect in workmanship or materials is found by our factory inspection, our sole obligation shall be to repair or replace the product. This warranty only covers the product and not the labor cost of removal, installation or shipping charges. The obligations of Gibson under this warranty are limited, and shall not exceed the cost of non-confirming parts.