Products to Compare (max of 3)
X
Compare These Parts
America's Oldest Speed Shop ® Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Help Center
Help Center

U.S.Order Line:

800.979.0122

(CST) 7am - 10pm

Race and Rod Tech Support

Mon-Fri 8am - 5pm

Canadian Order Line:

855.313.9180

International Order Line:

1.402.323.3200
Since 1952
Menu
Shop By
Support
Account
Black Friday BONUS! Get a FREE $20 Gift Card With Your $200 Order*.
PROMO: BLKOUT. Offer Valid 11/21/17 - 11/26/17.
Add to Cart
$802.85
$612.97
Flowmaster 17742 American Thunder Exhaust Kit, 1973-87 GM Trucks
Flowmaster 17742 American Thunder Exhaust Kit, 1973-87 GM Trucks

Flowmaster 17742 American Thunder Exhaust Kit, 1973-87 GM Trucks

0 Reviews | 0 Answered Questions
Factory Shipped
Ships FREE
Flowmaster 17742 American Thunder Exhaust Kit, 1973-87 GM Trucks
Flowmaster 17742 American Thunder Exhaust Kit, 1973-87 GM Trucks
Zoomed In Image
We estimate this item will ship on or before November 27th.
Part # 37817742
Save 23%
$612.97
$802.85
kit
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Articles

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Flowmaster to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Tube O.D.:
2.5"
Muffler Type:
Welded Baffle
Material Type:
Aluminized Steel
Inlet Size:
2.5
Outlet Location:
Dual Rear
Outlet Size:
2.5
MFG. Part #:
17742
GTIN Code:
700042032341
Color:
Black
Muffler Quantity:
2
Muffler Series:
Super 44
Single or Dual:
Dual
Sound Level:
Moderate/Aggressive Sound
Exhaust System Type:
Header-back System
Drivetrain:
RWD
Mount Type:
Flanged
Shape:
Oval
Notes:
Not Legal For Use On Vehicles Originally Equipped With Catalytic Converter

Info

Flowmaster's American Thunder Crossmember-back exhaust system for the 73-87 GM C10/C20, ½ and 3/4 ton, 2WD pickup truck is perfect for the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster. This Crossmember-back DOR/DOS (Dual Out Rear, Dual Out Side) system features dual Super 44 Series mufflers, 2.50" mandrel bent aluminized tubing and accommodates both dual and single exhaust crossmembers. This system is routed in a fashion that accommodates both long and short wheelbases with automatic or manual transmissions, and provides adequate clearance for substantially lowered vehicles. The exhaust system is manufactured in the USA and is covered by Flowmaster's 3 Year Limited Warranty. This system is not emissions compliant on vehicles that were originally equipped with catalytic converters. Note: This system is not designed as a direct bolt-on and will require the user to fabricate pipes to connect to manifolds or headers.

  • Famous Flowmaster Sound
  • Multiple Exit Options
  • Patented Delta Flow Technology
  • Made in the USA

Installation Instructions (PDF)

Application

1973-1974 Chevrolet C10 Pickup
1973-1974 Chevrolet C20 Pickup
1973-1974 GMC C15/C1500 Pickup
1973-1974 GMC C25/C2500 Pickup
1975-1978 GMC C15
1975-1978 GMC C25
1975-1986 Chevrolet C10
1975-1986 Chevrolet C20
1979-1986 GMC C1500
1979-1986 GMC C2500

Notes

1973 to 1987 Chevrolet and GMC C10 (1/2 ton) and C20 (3/4 ton) Pickup Trucks, 2 Wheel Drive Only.
Some parts are not legal for use in California or other states with similar laws/regulations

More Like This

Reviews

Q & A

Articles

You May Also Like

Suggestions
Error
Note
Ok