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Home / Exhaust / Catback / Flowmaster 67-68 GM F-BODY 2.5in. SS American Thunder Crossmember-Back Exhaust System
Flowmaster 67-68 GM F-BODY 2.5in. SS American Thunder Crossmember-Back Exhaust SystemRepresentative image
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Flowmaster

Flowmaster 67-68 GM F-BODY 2.5in. SS American Thunder Crossmember-Back Exhaust System

PART 817129CATEGORY Catback
$999.95
MSRP $1,124.95You save $125.00
$999.95
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Product description

Fits 1967-1968 Camaro and Firebird with V8 engine. 2.50 inch Stainless Steel - Aggressive to moderate sound

Flowmaster American Thunder Crossmember-Back Exhaust System

Features

Includes Hangers and Hardware for an Easy Installation

True Dual 2.50-inch Crossmember-Back Exhaust System

Mandrel-bent 16-gauge Stainless Steel Tubing

Aggressive to Moderate Exterior Exhaust Tone

Super 44 Series Performance Mufflers

Tailpipes Exit in the Stock Location

Includes All Necessary Hardware

Built-in H-pipe Cross-over

Manufacturer notes

This system Does Not fit convertibles without either modifying the factory X-brace by adding 3/8-inch spacers to lower the brace from the body.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Catback
UPC / barcode
700042024292
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

Flowmaster 67-68 GM F-BODY 2.5in. SS American Thunder Crossmember-Back Exhaust System

6768 GM FBODY 25 AMT KIT 409S

SYS 67-68 GM F-BODY

About the manufacturer

For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series mufflers and includes all hangers and hardware necessary for installation. The American Thunder systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. If you prefer Aluminized steel construction, check out optional system# 17129.

Additional manufacturer information

SYS 67-68 GM

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