Talk to a Mustang Sales Tech
1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $4,000! Enter Daily

Flowmaster American Thunder Cat-Back Exhaust System; Stainless Steel (1986 GT; 87-93 Mustang LX)Find parts that fit my vehicle

Item 18456
Verify parts fit and get product recommendations.
Mustang Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
$670.46
456 Reviews 6 Answers
On Sale

-10% $670.46 Was $744.95

Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Add Local Installation

    $299.00
    Wards Auto Repair LLC
    11 miles away · 25 Reviews ·
    How it works

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • Aggressive Flowmaster Sound
      • Super 44 Series Mufflers
      • 2.5" Polished Stainless Steel Tips
      • Mandrel-Bent Tubing
      • 409 Stainless Steel Construction
      • Fits 1987-1993 5.0L Lx and 1986 GT Mustangs

      Description

      Flowmaster Sound. Give your Mustang that unmistakeable Flowmaster sound with a nice power boost by installing a American Thunder catback Exhaust system. Featuring mandrel bent tubing this Flowmaster system will improve exhaust flow for an increase in power, and the included Super 44 Series Mufflers will improve your exhausts sound for a deeper throatier muscle car exhaust note.

      Stainless Steel Construction. Constructed from mandrel bent 2.5" 409 stainless steel tubing for it's corrosion resistant properties the Flowmaster American Thunder catback features Super 44 Series chambered mufflers with 25" Long by 2.5" diameter OEM style polished stainless steel tips for muscle car looks and sound.

      Application. This Flowmaster American Thunder stainless steel Cat-Back exhaust system is designed to fit the 1987-1993 LX and the 1986 GT Mustangs for both great looks and great sound.

      Fitment:

      Details

      Flowmaster 817213

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Muffler assemblies
      • (2) Over axle pipes
      • (2) Exhaust Tips
      • (2) Clamps

      4.7

      Customer Reviews (456)

      Questions & Answers (6)

      Post Your Question

      Will It Fit My Mustang

      • LX - 87, 88, 89, 90, 91, 92, 93
      • Other - 86

      Fits 1986 GT and 1987-1993 LX Mustangs

          Related Mustang Categories