Description
If you’re running a 1999-2006 GM extended cab pickup with a stock exhaust, you’re leaving horsepower and throttle response on the table. The American Thunder cat-back system unlocks that potential with a larger-diameter design that reduces backpressure and improves scavenging—resulting in noticeable power gains and a more aggressive exhaust note. This is a bolt-on upgrade that delivers real performance without the complexity of a full turbo conversion.
- Cat-back design
- 2.5-inch tailpipe diameter
- 2.5-inch polished tips
- Aluminized steel construction
- Corrosion-resistant coating
- Complete bolt-on kit
- Fits GM fullsize trucks 1999-2006
- Extended cab models
- Small-block engine compatible
- Professional installation recommended
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