FLOWMASTER
1969-72 Grand Prix Exhaust Kit, American Thunder 2-1/2" Pipe, w/Rear Exit Pipes
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SAVE: $55.96 Retail: $610.95
OPGI Price: $554.99
Part Type: (P) High Performance, designed to improve performance
Years:
Sold As: KIT
2017 Grand Prix Catalog Page: 275
Designed for big cubic-inch engines
- NOTES
- NOTE1: These products require welding for installation.
- NOTE2: These high-performance items are not eligible for any further discounts or promotional pricing.
- SHIP NOTE: This item exceeds standard size and is exempt from free shipping.

- SHIP NOTE: This item as packaged measures over 48" in length, and/or 30" in width or height and is subject to an additional handling surcharge of $12.95.

As one of the most powerful exhaust systems for Grand Prixs with large displacement engines, the Flowmaster “American Thunder” system features heavy-gauge mandrel-bent tubing and “Super 40 Series” mufflers. The tailpipes included are two-piece and install easily. The kit also features an adjustable crossover pipe to fit a variety of applications and has all the hangers and clamps that fit in the factory locations. Part# CH40001 exits the tailpipes behind the rear wheels pointed at the ground, while the part# 17119 and CH40002 exit out the back at the bumper. Get the power and sound of performance with the Flowmaster American Thunder exhaust system.