AFTERMARKET EXHAUST

TRP Aftermarket Parts offers a new line of commercial vehicle exhaust parts including mufflers, pipes and clamps "for different configurations and different budgets." They’re available from Kenworth and Peterbilt dealerships.

The line includes aluminized and chrome-plated tubes, Y-pipes and stacks, plus premium flex hoses in a variety of materials and pre-cut sizes. The stacks also come in a range of lengths and configurations, including straight, west coast, curved and ‘monster’ in both 4- and 5-in. diameters.

The exhaust program is said to offer buyers a choice of good, better and best models of mufflers. All three models meet OEM back-pressure specs and offer internal support flanges on inlets and outlets to ensure long life. TRP mufflers include an extended 18-month warranty.

The lineup includes a premium model that reduces the noise level by up to five decibels compared to the standard TRP muffler. And for customers who need a muffler with low restriction for use on trucks with higher horsepower engines, the company says the top-of-the-line model reduces noise by up to another three decibels compared to the better model.
 
The clamps offered through the TRP exhaust program use 304 stainless steel bright material and bands with pre-attached hardware with force bars, nuts and reaction blocks to eliminate tearing on installation. TRP’s best clamp comes with a pre-formed band and heat-resistant gasket material, claimed to improve sealing capacity by more than 50% over the performance of a standard stainless steel clamp with a flat band.

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