1967-1974 Chevrolet Camaro Crossmember-back Exhaust System Flowmaster American Thunder 817104
1967-1974 Chevrolet Camaro Crossmember-back Exhaust System Flowmaster American Thunder 817104
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Material: Stainless Steel
Overview
Flowmaster® is proud to introduce our American Thunder® dual exhaust system for 1967-1974 Chevrolet Camaro, Pontiac Firebird and 1968-1974 Chevrolet Nova's. This all stainless steel exhaust system features our exclusive design 80 Series™ Crossflow muffler, all mandrel-bent dual 2.50-inch pipes including an H-pipe crossover for a deep smooth tone that also minimizes any back-rap on deceleration. The dual 2.50-inch stainless steel tailpipes provide a deep rich sound and optimum performance. This Crossmember-Back 409S stainless system gives these classic muscle cars a moderate tone inside and out. Using the crossflow design, this exhaust places the muffler in the factory location behind the rear axle retaining full ground clearance under the car while offering all the performance benefits of a full dual exhaust system. The system includes all parts, hardware and illustrated instructions, and like all Flowmaster stainless steel street products, it includes Flowmaster's Limited Lifetime Warranty.
Features
- H-pipe Crossover for Maximum Power and Deep Tone
- Includes Hangers and Hardware for Easy Installation
- 80 Series Cross-flow Performance Muffler
- Mandrel-bent Stainless Steel Tubing
- Moderate Exterior Exhaust Tone
- Maximum Ground Clearance
- Stainless Steel Construction
- Lifetime Limited Warranty
- Crossmember-back System
Application
- Fits:
- 1967-1974 Chevrolet Camaro
- 1969-1974 Chevrolet Nova
- 1967-1974 Pontiac Firebird
- Engines:
- 4.9L V8 302 CID
- 5.0L V8 307 CID
- 5.3L V8 326 CID
- 5.3L/5.4L V8 327 CID
- 5.7L V8 350 CID
- 6.5L V8 396 CID
- 6.6L V8 400 CID
- 6.6L V8 402 CID
- 7.0L V8 427 CID
- 7.4L V8 454 CID
- 7.5L V8 455 CID
- Convertible models require an aftermarket X-brace like Hotchkis Performance part# 1404 or adding 3/8-inch of shims to the stock factory X-brace for clearance.
Kit Contents
- 1x Muffler
- 2x Connector Pipe
- 1x H-Pipe Assembly
- 1x Intermediate Pipe (Right)
- 1x Intermediate Pipe (Left)
- 1x Tailpipe (Right)
- 1x Tailpipe (Left)
- 1x Hardware Kit (40 total pieces)
Specs
2WD/4WD | 2WD |
Brand | Flowmaster |
Exhaust Series | American Thunder |
Exit Position | Dual Out Rear |
Heat Shield | No |
Inlet Diameter (in) | 2.5 inch |
Material | 409 Stainless Steel |
Muffler Finish | Black High-Temperature Paint |
Muffler Material | 409 Stainless Steel |
Muffler Quantity | 1 |
Muffler Series | 80 Series Crossflow |
Outlet Diameter (in) | 2.5 inch |
Product Type | Exhaust System |
Single or Dual | Dual |
Sound Level | Moderate |
System Type | Crossmember-back |
Tip Quantity | Not Included |
Tubing Diameter (in) | 2.5 inch |
Type of Exhaust | Crossmember-Back |
Part Number | 817104 |
Emissions
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.
Prop 65 Warning
WARNING: This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds) which are 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




















Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.