{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle

Dynomax®
89027 Thrush Series Header-Back Exhaust System, Made of Aluminized Steel

Tap image and pinch to zoom.
$393.49
$698.31Save: $304.82(44%)
Manufacturer #89027
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Part:
Exhaust System
Brand:
Dynomax
Material:
Made of Aluminized Steel
Series:
Thrush Series
System Type:
Header-Back
Quantity Sold:
Kit
Warranty:
Lifetime Dynomax 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: Split Rear
Main Piping Diameter:
2.5 in. Main Pipe
Product Fit:
Direct Fit
Recommended Use:
Performance Replacement

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1966-1967 Chevrolet C10 Pickup
Base
8 Cyl 4.6L
96.0 in. Bed, Standard Cab Pickup, Headers With Air Injection Fittings For PN[85503], Used With PN[85003/86003/85503/85022/86022]
1966-1967 Chevrolet C20 Pickup
Base
8 Cyl 4.6L
96.0 in. Bed, Standard Cab Pickup, Headers With Air Injection Fittings For PN[85503], Used With PN[85003/86003/85503/85022/86022]
1966-1968 Chevrolet C20 Pickup
Base
8 Cyl 5.3L
96.0 in. Bed, Standard Cab Pickup, Headers With Air Injection Fittings For PN[85503], Used With PN[85003/86003/85503/85022/86022]
1966-1969 Chevrolet C10 Pickup
Base
8 Cyl 5.3L
96.0 in. Bed, Standard Cab Pickup, Headers With Air Injection Fittings For PN[85503], Used With PN[85003/86003/85503/85022/86022]
1967 GMC C15/C1500 Pickup
Base
8 Cyl 4.6L
96.0 in. Bed, Standard Cab Pickup, Headers With Air Injection Fittings For PN[85503], Used With PN[85003/86003/85503/85022/86022]
Page 1 of 6 | Showing 1 - 5 of 28 results

Product Information

DYNOMAX – THRUSH EXHAUST SYSTEMS

Dynomax’s Thrush Headerback Exhaust System will not only boost your image with its turbo mufflers, but is proven to dramatically increase your vehicle’s power and performance with style and a deep, cool tone that’ll make your hot rod stand out – and impress your friends. Dynomax is a world leader in the performance exhaust space, manufacturing products held to the highest engineering standards and backed by extensive research and development.

  • Specifically designed for classics/hot rods
  • Made to be used with full-length headers
  • Most systems Include two vintage-style Thrush mufflers and smooth bent 2 ½ inch aluminized exhaust pipes
  • Most systems comes with an H-pipe balance tube
  • More cost-effective than comparable exhausts for classic vehicles
  • High-flow Thrush mufflers feature spun-locked heads and reversible chambers
  • Includes all necessary hardware
  • Stock tailpipe exit design

Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
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
Will it fit 69 c10  307 with stock exhaust manifolds?Phil P.Jan 14, 2021
Best Answer:Hi Phil, This kit is guaranteed to fit the 1969 Chevrolet C10 Pickup Base 8 Cyl 5.0L 78.0 in. Bed, Standard Cab Pickup, Headers With Air Injection Fittings For PN[85503], Used With PN[85003/86003/85503/85022/86022].
Grace G.STAFFJan 14, 2021
0
Will this kit fit 68 C10 SWB with 350 & TH400 using jegs long tube headers? Also has rear coils springs and fuel tank moved to rear frame.FRANK M.Nov 28, 2020
Best Answer:Hi Frank, This part will fit the 1968 Chevrolet C10 Pickup Base 8 Cyl 5.4L/327, with rear coil springs. This part use with header part # 85003/86003 made by Dynomax. What is the exact engine size of your engine? If you need more details, you can also call the toll free number of our supplier 800.325.8886.
Jay G.STAFFNov 28, 2020
0
I have a shortbed 1966 C10 with hedman headers on a 350 engine and need to know if this fits?L O.Oct 12, 2020
Best Answer:Hi L O, No, this exhaust system will not be compatible with your C10.
Arnel E.STAFFOct 12, 2020
0
Will it fit my 72 long-wheel base Chevy pickup with 350 motor and shorty headers?David M.Sep 22, 2020
Best Answer:Hello David- This kit is designed to connect to DynoMax Blackjack painted /Cyclone ceramic coated, or competitive brand, full length headers and not the shorty headers.
Aldrin P.STAFFSep 22, 2020

Customer Reviews

Thrush Series Header-Back Exhaust System, Made Of Aluminized Steel
Exhaust system
Pretty good fit directions vague some pipes miss labeled
Robert L.
VERIFIED PURCHASER
Purchased on Jun 24, 2023
Thrush Series Header-Back Exhaust System, Made Of Aluminized Steel
Looks good, but not installed yet. Timely.
Douglas B.
VERIFIED PURCHASER
Purchased on Oct 19, 2021