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$790.14
$622.99
Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body
Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body

Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body

GS, GS 350, GS 400, GS 455, Skylark, Chevelle, 442, Cutlass, Grand Prix, GTO, LeMans

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Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body
Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body
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We estimate this item will ship on or before July 23rd.
Part # 378817409
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$622.99
$790.14
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Flowmaster to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Tube O.D.:
2.5"
Material Type:
Stainless Steel
Outlet Location:
Dual Rear
Outlet Size:
2.5
MFG. Part #:
817409
GTIN Code:
700042024056
Heat Shield:
No
Muffler Quantity:
2
Muffler Series:
Super 40 Series
Single or Dual:
Dual
Sound Level:
Aggressive Sound
Exhaust System Type:
Header-back System
Drivetrain:
2WD

Info

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

  • Mandrel bent 16 gauge stainless steel tubing
  • Aggressive Sound Exterior Exhaust Tone
  • Includes hangers and hardware for easy installation
  • Header-back System

Installation Instructions (PDF)

Application

1968-1969 Buick GS 350
1968-1969 Buick GS 400
1968-1971 Oldsmobile 442
1970-1972 Buick GS 455
1970-1972 Buick GS
1968-1972 Buick Skylark
1968-1972 Chevrolet Chevelle
1968-1972 Oldsmobile Cutlass
1968-1972 Pontiac Grand Prix
1968-1972 Pontiac GTO
1968-1972 Pontiac LeMans

Notes

Fits 1968 to 1972 GM A-Body with a V-8 engine.
Some parts are not legal for use in California or other states with similar laws/regulations

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