MBRP 14 Chevy/GMC 1500 Silverado/Sierra 4.3L V6/5.3L V8 Dual Split Side T409 3in Cat Back Exhaust

MBRP 14 Chevy/GMC 1500 Silverado/Sierra 4.3L V6/5.3L V8 Dual Split Side T409 3in Cat Back Exhaust

Marsoni

M251S

$402.50

Get it in 3 business days with 1 day shipping. Friday, May 29

MBRP 14 Chevy/GMC 1500 Silverado/Sierra 4.3L V6/5.3L V8 Dual Split Side T409 3in Cat Back ExhaustOur high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP. This Part Fits: Year Make Model Submodel 2016,2018 Chevrolet Silverado 1500 Custom 2014 2018 Chevrolet Silverado 1500 High Country 2015 2018 Chevrolet Silverado 1500 LS 2014 2018 Chevrolet Silverado 1500

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For those of you with the 135 hp mercury that was branded as the "Sea Ray 135" and paint matched to the boat (i.e. Seville's and some others) this is the 147 degree thermostat for that motor. My Seville is an '88 and It's difficult to cross reference the serial numbers on those motors when searching for parts. Only buy Quicksilver parts for these motors. Happy to find them on Amazon because Boats.net as an example, is not clear on what you're getting.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on August 3, 2024

Verified Purchase

Carlton Earley

Chelsea, US

★★★★★ 5

fixed issue

stopped the overheat issue on my outboard!!!

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on August 6, 2025