Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededFLOWMASTERPART NUMBER: 389-817200
American Thunder Header-Back Exhaust System 1968-1972 GM A-Body
$1,29995
3 left in stock
Ships Tomorrow
Lowest Price GuaranteeGM A-Body
American Thunder Header-Back Exhaust System 1968-1972 GM A-Body 3" Tubing Tips Not Included Dual Rear Exit Super 40 Series Muffler 409S Stainless Steel
FLOWMASTER MUFFLERS 817200 Features:
This crossmember-back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1968-1972 GM A-Bodies with a V8 engine. It's a true-dual exhaust system featuring all mandrel-bent 3.00-inch stainless steel tubing with a built-in H-pipe crossover assembly flowing into a pair of large cased Super 40 Series performance mufflers for maximum power and a deep powerful aggressive exhaust note. The large 3.00-inch mandrel-bent tailpipes are custom bent to tuck up high above the rear end and exit with a slight turn down under the rear bumper. The system is constructed from 409 stainless steel for maximum durability, includes all necessary hardware and hangers for installation and is covered by our Lifetime Limited Warranty. This system is also available in Aluminized steel and comes with a 3-year Limited Warranty, check out part# 17200.- Super 40 Series Performance Mufflers for Deep Powerful Sound
- H-pipe Crossover for Maximum Power and Deep Tone
- Mandrel-bent 16-gauge Stainless Steel Tubing
- Includes Hangers and Hardware for Installation
- Crossmember-back True Dual Exhaust System
- Large 3.00-inch Stainless Steel Tubing
- Does Not Include Header Reducers or Factory Manifold Downpipes
- Aggressive Exterior Exhaust Tone
- Lifetime Limited Warranty
Experience An Exhaust System Tuned for Performance and Tone
If you need an exhaust system that has been dyno tuned to produce maximum performance, look no further than Flowmaster's American Thunder Exhaust Systems. This line, designed for passenger cars, produces a range of systems that offer moderate to aggressive exhaust notes. Available in axle, cat, and header-back configurations, Flowmaster has you covered. To ensure durability and ease of installation, these kits are made from 16-gauge mandrel bent tubing and includes the necessary hangers and hardware.
Part TypeExhaust System
Product LineFlowmaster American Thunder Exhaust Systems for Cars
BrandFLOWMASTER
Package Height14.0
Package Width25.0
Package Length49.0
Weight90.45 PG
Tailpipe Diameter (In.)3
Muffler Inlet Inside Diameter3 in.
Hangers IncludedYes
Main Piping Diameter3 in.
Tail Pipe QuantityDual
Inlet TypeWeld-On
Catalytic Converter Quantity0
Exit LocationSplit Rear
Inlet QuantityTwo
Muffler Body Length13.50 in.
Sound LevelAggressive
Muffler MaterialStainless steel
Muffler Body Material409 Stainless Steel
Gasket Or Seal IncludedNo
Pipe ColorSilver
System FinishNatural
Muffler Quantity2
Muffler Inlet Outside Diameter3.13 in.
Exit QuantityTwo
Muffler Flanged OutletNo
Tip QuantityNone
Exhaust TypeDual
Catalytic Converter IncludedNo
Heat Shield IncludedNo
Part CategoryPerformance Parts
Hardware IncludedYes
Exhaust Tip Quantity0
Valve IncludedNo
Muffler TypeChambered
Pipe Material409 Stainless Steel
Muffler Body Width10 in.
Tail Pipe Tapered OutletNo
Muffler Body ShapeOval
Mounting Bracket IncludedYes
Muffler Outlet Quantity1
Muffler FinishBlack High-Temperature Paint Finish
Inlet Diameter3 in.
Clamps IncludedYes
Muffler StyleChambered
FinishNatural
Exit StyleDual Out Rear
Muffler Body Height5 in.
Tip IncludedNo
Clamping TypeFlat Band
Muffler Flanged InletNo
Spring Bolt Kit IncludedNo
Muffler SeriesSuper 40 Series
QuantitySold as a kit
Muffler IncludedYes
Exhaust Tip ConnectionClamp-On
System StyleHeader-back
Tail Pipe Outlet Outside Diameter3 in.
Muffler ConfigurationSingle inlet/Single outlet
System MaterialStainless steel
Valve TypeNot Applicable
Intermediate Pipe Diameter3 in (76.2 mm)
Part FitmentSemi Universal
Vendor Part Number817200
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Industrial Nitrile Gloves [5.5 mils Thick, Medium]](https://www.jegs.com/images/mini_200/500/555/555-1126.jpg)
JEGS
Industrial Nitrile Gloves [5.5 mils Thick, Medium]
Part Number : 555-1126
$1599$17.99
You Save$2.00
![Industrial Nitrile Gloves [5.5 mils Thick, Large]](https://www.jegs.com/images/mini_200/500/555/555-1127.jpg)
![Industrial Nitrile Gloves [5.5 mils Thick, X-Large]](https://www.jegs.com/images/mini_200/500/555/555-1128.jpg)
JEGS
Industrial Nitrile Gloves [5.5 mils Thick, X-Large]
Part Number : 555-1128
$1599$17.99
You Save$2.00
JEGS
Part Number : 555-1126
$1599$17.99
You Save$2.00
JEGS
Part Number : 555-1128
$1599$17.99
You Save$2.00
ITEM YOU MAY ALSO CONSIDER
FLOWMASTER
American Thunder Header-Back Exhaust System 1968-1972 GM A-Body
Part Number : 389-17200
$1,11795
FLOWMASTER
American Thunder Header-Back Exhaust System 1964-1967 GM A-Body V8
Part Number : 389-17202
$1,11795
MAGNAFLOW
15897 Street Series Crossmember-Back Performance Exhaust System Fits Select Buick, Chevrolet, Oldsmobile, Pontiac Models
Part Number : 642-15897
$1,21100
FLOWMASTER
Part Number : 389-17200
$1,11795
FLOWMASTER
Part Number : 389-17202
$1,11795
MAGNAFLOW
Part Number : 642-15897
$1,21100
EASY KITS
FLOWMASTER
American Thunder Header-Back Exhaust System 1968-1972 GM A-Body Kit
Part Number : 389-817200K
$1,65194
FLOWMASTER
Part Number : 389-817200K
$1,65194
Some parts are not legal for use in California or other states with similar laws / regulations
