Name: Flowmaster 17742 American Thunder Header Back Exhaust System
SKU: 17742
Availability: OutOfStock

FLOWMASTER part description

Product Description

American Thunder Header Back Exhaust System

Application Summary

1973 to 1987 Chevrolet and GMC C10 (1/2 ton) and C20 (3/4 ton) Pickup Trucks; 2 Wheel Drive Only. Not emissions compliant on vehicles originally equipped with a catalyst system.

Features & Benefits

Limited Lifetime Warranty
Moderate Exterior Exhaust Tone
Incl. Hangers and Hardware For Easy Installation
Header Back System
Dual Out Rear Exit
Dyno Tuned for Maximum Performance
Premium Flowmaster Quality
Famous Flowmaster sound
Multiple Exit Options
Patented Delta Flow Technology
Made in the USA

Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations

17742; header-back; american thunder kit; exhaust system

Product Attributes

Color	Black
Exhaust Series	American Thunder
Exhaust Type	Dual
Exit Position	Dual Rear Same Side
Exit Style	Straight
Inlet Diameter	2.500 in.
Inlet Inside Diameter	2.500 in.
Material	Aluminized Steel
Mount Type	Flanged
Muffler Count	2
Muffler Series	Super 44
Muffler Type	Welded Baffle
Outlet Diameter	2.500 in.
Outlet Outside Diameter	2.500 in.
Shape	Oval
Single Or Dual	Dual
Sound Level	Moderate/Aggressive
System Type	Header Back
Tail Pipe Diameter	2.500 in.
Tip Diameter	N/A
Title	Flowmaster 17742 Header-back 409S - American Thunder Kit - DOR/S - Mod/Agg Sound
Tubing Diameter	2.500 in.
Tubing Material	Aluminized Steel

Additional Information

Country of Origin (Primary)	US
Harmonized Tariff Code (Schedule B)	8708925000
Harmonized Tariff Code (HTS)	8708925000
MSDS Sheet Number	N
NAFTA Preference Criterion Code	B
Refurbished Part	N
Remanufactured Part	N
Stock Status	S
Warranty Special	Limited Lifetime
Warranty Special UOM	LF
UPC	00700042032341

A brand under Holley Performance Products, an automotive performance company based in Bowling Green, Kentucky, Flowmaster® provides a broad selection of performance exhaust systems, air intakes, and mufflers. It also offers turbo boost modules, headers, race mufflers, and various exhaust accessories for trucks, off-road, SUVs, Jeeps, powersports vehicles, classic muscle cars, and other late model cars. For more than 30 years, Flowmaster has been delivering only the best automotive exhaust products to the market and living up to its name as “The Exhaust Technology Company.” Today, the company takes its mission statement a notch higher by offering exciting new product categories to enhance its exhaust products portfolio. It aims to be “The Performance Technology Company” automotive enthusiasts can trust.

California Proposition 65 Warning

WARNING: 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. (Read more)