Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Limited Time Offer     $20 off $299 | $40 off $599 | $60 off $899 | $80 off $1199      Promo: SAVENOW
$20 off $299 | $40 off $599 | $60 off $899 | $80 off $1199
Limited Time Offer   |   Promo: SAVENOW
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Since 1952
in
in
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$727.58
$624.95
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova

Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova

Header-Back Exhaust System Type, Dual Single or Dual, 2.5" Exhaust Pipe Size, 2WD Drivetrain

0 Reviews | 1 Answered Question
Factory Shipped
Ships FREE
STORE PICKUP
Availability
Store Pickup Availability
X
Lincoln, NE -
Phoenix, AZ -
Select your vehicle to verify fitment.
Select Vehicle
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
X
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
Flowmaster 817158 American Thunder Exhaust Kit, 1968-74 Nova
Zoomed In Image
We estimate this item will ship on or before September 29th.
Part # 378817158
Save 14%
$624.95
$727.58
kit
Call to Order
Add to Buildlist
Compare
Details
Reviews
Q&A
Videos & Articles

Details

Exhaust System Type:
Header-Back
Single or Dual:
Dual
Exhaust Pipe Size:
2.5"
Exhaust Exit:
Dual Split Rear
Sound Level:
Moderate/Aggressive
Muffler(s) Included:
Yes
Muffler Quantity:
2
Muffler Connections:
Single Inlet | Single Outlet
Drivetrain:
2WD
Exhaust Tip Included:
No
Exhaust Tip Quantity:
0
Exhaust System Material:
409S Stainless Steel
Exhaust System Finish:
Natural
Exhaust Pipe Color:
Natural
Muffler Series:
Super 44 Series
Muffler Material:
409 Stainless Steel
Muffler Color:
Natural
Exhaust Tip Color:
Natural
Inlet Quantity:
2
Inlet Size:
2.5
Outlet Size:
2.50
Tailpipe Diameter:
2.5"
Catalytic Converter(s) Included:
No
Hardware Included:
Yes
Heat Shield:
No
MFG. Part #:
817158
Sold in Quantity:
Kit
GTIN Code:
700042025626

Info

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. 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

Application

1969-1970 Chevrolet Nova 396 CID/6.5L V8
1970-1971 Chevrolet Nova 454 CID/7.4L V8
1970-1972 Chevrolet Nova 402 CID/6.6L V8
1969-1973 Chevrolet Nova 307 CID/5.0L V8
1971-1973 Pontiac Ventura 307 CID/5.0L V8
1973-1974 Buick Apollo 350 CID/5.7L V8
1969-1974 Chevrolet Nova 350 CID/5.7L V8
1973-1974 Oldsmobile Omega 350 CID/5.7L V8
1971-1974 Pontiac Ventura 350 CID/5.7L V8
1968 Chevrolet Chevy II 307 CID/5.0L V8
1968 Chevrolet Chevy II 327 CID/5.3L V8
1968 Chevrolet Chevy II 350 CID/5.7L V8
1968 Chevrolet Chevy II 396 CID/6.5L V8

Notes

Fits 1968 to 1974 Chevrolet Nova with a V8 engine.

Charts

Installation Instructions (PDF)

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.
Some parts are not legal for use in California or other states with similar laws/regulations

More Like This

Reviews

Q & A

Videos & Articles
  • If you're ready to get your street machine sounding as good as it looks, it's important to know how each muffler will affect your sound and performance. Take a listen and decide which muffler is best for your rod.
  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
  • Follow these tips and tricks on how to properly wrap your exhaust manifolds to reduce underhood temperatures.
  • Some basic info on the various exhaust options carried by Speedway Motors.
  • What size header should I use? Short or long tube headers? Learn how to answer these exhaust questions and choose the right header with our expert guide.
  • Product guru Jeff K. doesn't just limit his revival tendencies to those of the four wheeled variety. He also likes to leave his mark on motorcycles, giving new life to tired old two-wheelers. Follow along as he tackles a 2004 Kawasaki Vulcan.

You May Also Like

Error
X
Note
X
Ok