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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: FLM14020100 Manufacturer Sku #: 14020100
$306.95
Product Name: Flowmaster Pro Series Muffler 4" IN / 4" OUT | 8" D x 20" L Manufacturer: Flowmaster Manufacturer Part #: 14020100 Thoroughbred Diesel Part #: FLM14020100
The Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range.
Flowmaster Features:
Emissions:
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Specs: