Flowmaster · New
Flowmaster 69-69 GM F-BODY 2.5in. American Thunder Crossmember-Back Exhaust System
MPN 17139 · Store SKU flo17139
Supplier stock checked 11/8/2026, 9:34:33 AM UTC. Adding a part does not reserve it.
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Product details
This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1969 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2.50-inch mandrel-bent aluminized steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of Super 44® mufflers that deliver an aggressive to moderate interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit straight out under the rear bumper and are finished off with 2.50-inch angle-cut brushed stainless steel tips and includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Covered by our 3-year Limited Warranty. Fits 1969 Chevrolet Camaro and Pontiac Firebird with V8 engine, 2.5" Aluminized Pipes - Aggressive to moderate sound Flowmaster American Thunder Crossmember-Back Exhaust System
Manufacturer fitment & guides
Check 17139 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y