Flowmaster 818169 Kit
Flowmaster 818169 Kit
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Flowmaster 818169 Limited Lifetime Warranty
This Flowmaster® American Thunder cat-back exhaust system. This system is manufactured using durable 409 stainless steel tubing and is mandrel bent for better exhaust gas flow. Super 40 Series muffler is used for an aggressive to moderate sound level and maximum performance. Maximum increases on the dyno revealed 18 Horsepower and 14 Pound-Feet at the rear wheels. This system uses dual 4-1/2-Inch black ceramic coated tips for added style. This system uses all the existing factory hanger locations and features installation instructions and all necessary hardware for an easy installation that you can do at home.
Features & Benefits
- For either powerboost or standard gas trucks with factory dual exhaust option
- Max increases of up to 18 horsepower and 14 pound-feet over the stock exhaust at the wheels
- 3-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- Large 4-1/2 inch black ceramic coated tips fill the bumper cut out better than the factory tip
- Kit features complete hardware and factory styled hangers in the stock locations for an easy installation
- Super 40 series muffler delivers a deep, aggressive to moderate performance tone and improve exhaust flow
- Limited Lifetime Warranty
Specifications
| Model | Limited Lifetime Warranty |
| Color | Black |
| Weight | 76 lb |
| Dimensions | 59.75 x 16.25 x 15.25 in |
| Brand | Flowmaster |
| Manufacturer Part Number | 818169 |
| UPC | 090127844939 |
Recommended Items
Commonly ordered accessories for this product:
| Item | Brand | Manufacturer Part Number | Description |
|---|---|---|---|
| Gloves | Perform Tool | W89005 | Gloves |
| Gloves | Perform Tool | W89007 | Gloves |
| Gloves | Perform Tool | W89006 | Gloves |
Frequently Asked Questions
What color is this auto part?
This is the Black variant of the Limited Lifetime Warranty from Flowmaster.
How much does this product weigh?
This item weighs approximately 76 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

