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Flowmaster 817412 American Thunder Trans X-Member Back
Part No. 817412

This is a direct fit, vehicle specific part.
Please verify this fits your vehicle.

vehicle fitment information
Attribute Size / Style
Exhaust Type Dual
Exit Position Dual Rear
Exit Style Turn Down
Inlet Size (In.) 2.5
Material Stainless Steel
Outlet Size (In.) 2.5
shipping
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$570.23
in stock
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  • American Thunder Trans X-Member Back Exhaust System, Dual, Dual Side Exit, Incl. 2.5 in. Tubing, Super 40 Series Mufflers, H-Pipe, Hardware, 409S SS
  • Aggressive And Powerful Exterior Exhaust Tone
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Header Back System
  • Incl. Hangers and Hardware For Easy Installation
  • Limited Lifetime Warranty
  • Mandrel Bent 16ga 409S Stainless Tubing
  • www.Flowmastermufflers.com
  • Exhaust Type: Dual
  • Exit Position: Dual Rear
  • Exit Style: Turn Down
  • Inlet Size (in.): 2.5
  • Material: Stainless Steel
  • Outlet Size (in.): 2.5
YearsMakeModelSubModelEngineFuel
1965-1967BUICKGRAN SPORT5.6L / 340 C.I.D.-6.6L / 401 C.I.D.GAS
1964-1967BUICKSKYLARK4.9L / 300 C.I.D.-6.6L / 401 C.I.D.GAS
1964-1967BUICKSPECIAL4.9L / 300 C.I.D.-4.9L / 300 C.I.D.GAS
1964-1966BUICKSPECIALDELUXE4.9L / 300 C.I.D.-4.9L / 300 C.I.D.GAS
1964-1967CHEVROLETCHEVELLE4.6L / 283 C.I.D.-6.5L / 396 C.I.D.GAS
1965-1966CHEVROLETCHEVELLESS4.6L / 283 C.I.D.-6.5L / 396 C.I.D.GAS
1964-1967OLDSMOBILEF855.4L / 330 C.I.D.-5.4L / 330 C.I.D.GAS
1965-1965OLDSMOBILEF85DELUXE5.4L / 330 C.I.D.-5.4L / 330 C.I.D.GAS
1966-1966OLDSMOBILEF85HOLIDAY5.4L / 330 C.I.D.-5.4L / 330 C.I.D.GAS
1964-1967OLDSMOBILEVISTA CRUISER5.4L / 330 C.I.D.-5.4L / 330 C.I.D.GAS
1965-1965OLDSMOBILEVISTA CRUISERCUSTOM5.4L / 330 C.I.D.-5.4L / 330 C.I.D.GAS
1964-1967PONTIACGRAND PRIX6.4L / 389 C.I.D.-7.0L / 428 C.I.D.GAS
1964-1967PONTIACGTO5.3L / 326 C.I.D.-6.6L / 400 C.I.D.GAS
1964-1967PONTIACLEMANS5.3L / 326 C.I.D.-6.4L / 389 C.I.D.GAS
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  • Shipping Policy

    Free Ground Shipping
    Free FedEx ground shipping on all orders over $100. Free shipping to 48 Continental United States only. Orders under $100 will incur a FedEx ground shipping charge of $9.95.

    $9.95 Per Wheel/$25 Per Tire
    Each wheel will incur a $9.95 per wheel fee and each tire will incur a $25 per tire fee up to $99. You will be charged a maximum of $99 regardless of how many wheels and/or tires you purchase.

    $99 Truck Freight
    Oversized parts will incur a $99 truck freight charge that FedEx cannot provide standard ground shipping on.