Flowmaster American Thunder Exhaust w/ X-Pipe (87-93 LX; 86 GT)

Flowmaster American Thunder Exhaust w/ X-Pipe (87-93 LX; 86 GT)

About Flowmaster

Flowmaster Mustang Exhaust Kits
Flowmaster, Inc. is a specialty performance aftermarket exhaust parts manufacturer. It was founded in 1983 by Ray Flugger. Originally created to minimize California Sprint Car engine noise without sacrificing performance, Flowmaster ...... READ MORE
OUR PRICE$719.99
Market Price $799.99You Save 10% ($80.00)
Item # 18411
AmericanMuscle no longer carries the Flowmaster American Thunder Exhaust w/ X-Pipe (87-93 LX; 86 GT). Please check out 79-93 Mustang Exhaust Combos for an updated selection.

Product Features

  • Aggressive Flowmaster sound.
  • Super 40 Series Mufflers.
  • 3.0" Polished stainless steel tips.
  • Mandrel Bent Off-road X-pipe.
  • Durable Aluminized Steel Construction.
  • Fits 1987-1993 LX and 1986 GT Mustangs.

Flowmaster Sound. The Flowmaster American Thunder Exhaust System will improve your 1987-1993 LX or 1986 GT Mustangs exhaust flow for an increase in horsepower and sound. This system features 3" mandrel bent free flow tubing, an off-road X-pipe and Flowmasters Super 40 Series Mufflers for a deeper throatier muscle car exhaust note.

Quality Construction. Constructed from mandrel bent 3.0" 16 gauge aluminized steel tubing for it's corrosion resistant properties the Flowmaster American Thunder Kit features Super 40 Series chambered mufflers with 3.0 " diameter OEM style polished stainless steel tips for muscle car looks and sound. And as an added bonus the tips are embossed with the "Flowmaster" logo for true custom styling.

Fitment. This Flowmaster American Thunder Exhaust System is designed to fit the 1987-1993 LX and the 1986 GT Mustangs from the manifolds (shorty headers) back. This Kit is intended for off road use only.

Catback Exhaust Specifications
Piping Material: Aluminized Steel Tip Material : Polished Stainless Steel
Piping Size: 3.0" Tip Size: 3.0"
Muffler Type: Chambered Fitment: 87-93 LX and 86 GT Mustangs


Mid Pipe Specifications
Style Mid Pipe: Standard length "X" Type Headers Required: Shorty
Piping Material: Aluminized Steel Piping Size: 3.0"
Catalytic Converter: "No" - For off-road use only Fitment: 87-93 LX and 86 GT Mustangs

Installation Time:

(approx) 3 Hours

Difficulty Level:

Advanced mechanical skills required.
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Fitment:
  • Foxbody 86, 87, 88, 89, 90, 91, 92, 93
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Known Exceptions:
Fits 1987-1993 LX and 1986 GT.

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