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Vehicle Info Required to Guarantee FitAdd Vehicle

Flowmaster®
817937 American Thunder Series Crossmember-Back Exhaust System, Made of Stainless Steel

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$734.95
$907.00Save: $172.05(19%)
Manufacturer #817937
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Part:
Exhaust System
Brand:
Flowmaster
Material:
Made of Stainless Steel
Series:
American Thunder Series
System Type:
Crossmember-Back
Quantity Sold:
Kit
Warranty:
Lifetime Flowmaster Limited Warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Exit Location:
Exit: Dual Split Rear
Product Fit:
Direct Fit
Recommended Use:
OE Upgrade

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1963 GMC 1000 Series
Base
8 Cyl 4.6L
RWD, Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
1963-1965 GMC 1000 Series
Base
6 Cyl 3.8L
4WD, Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
1963-1965 GMC 1000 Series
Base
6 Cyl 4.8L
4WD, Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
1963-1965 GMC 1000 Series
Base
6 Cyl 5.0L
RWD, Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
1963-1966 Chevrolet C10 Pickup
Base
6 Cyl 3.8L
RWD, Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
Page 1 of 3 | Showing 1 - 5 of 12 results

Product Information

FLOWMASTER AMERICAN THUNDER AGGRESSIVE TONE CHAMBERED MUFFLER EXHAUST SYSTEM

Flowmaster’s American Thunder aggressive tone chambered muffler exhaust system includes mandrel-bent steel tubing and a chambered muffler that’s fine-tuned to deliver improved torque, horsepower and gas mileage, plus the moderately aggressive rumble you crave for your street machine. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of performance exhaust systems, respected for their design, innovation and engineering.

  • MADE IN USA
  • Offered in aluminized or stainless steel
  • Chambered muffler fine-tunes exhaust tone to moderately aggressive rumble
  • Mandrel-bent tubing allows for continuous airflow
  • Quick and easy installation
  • Direct fit by vehicle year, make and model
  • Proven to improve torque, throttle response, horsepower and fuel economy by rigorous dyno testing
Need help?Call our product expert1-866-529-0412
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Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

0
What is the diameter of the pipe?Gary C.Jun 12, 2024
Best Answer:Hi Gary, thanks for initiating contact. The diameter of the pipes is 2.3 inches. If the part is compatible based on the information provided on our website, click the link below for direct ordering to take advantage of our ongoing discount and limited stocks. Happy shopping! <a href="https://www.carparts.com/exhaust-system/flowmaster/f13817937?can=CPGG4850_CSQA_20240612" target="_blank">https://www.carparts.com/exhaust-system/flowmaster/f13817937?can=CPGG4850_CSQA_20240612</a>
Grace G.STAFFJun 12, 2024