2020 GMC Sierra 1500 Exhaust System Kit 4 Cyl 2.7L Flowmaster

★★★★☆ 4.5/5 14 ratings

Features:
Max Increases Of Up To 9 Hp And 12 Lb-Ft Over The Stock Exhaust At The Rear Wheels
Single 3.50-Inch To Dual 2.50-Inch Mandrel Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow
4.50-Inch Black Ceramic Coated Tips Add A Custom Look To The Truck
Includes Complete Hardware And Factory Styled Hangers In The Stock Locations For An Easy Installation
Flowfx Straight Through Performance Muffler Delivers A Deep/Moderate Performance Tone And Improves exhaust Flow

3.5 To 2.5 in. Tubing; Dual Side Exit; 409 Stainless Steel; Dual 4.5 in. Black Ceramic Coated Tips; Includes Hardware/Factory Hangers;50 State Legal / California Emissions Compliant

FlowFX Cat-Back Exhaust System; 3.5 To 2.5 in. Tubing; Dual Side Exit; 409 Stainless Steel; Dual 4.5 in. Black Ceramic Coated Tips; Includes Hardware/Factory Hangers;

FlowFX Cat-Back Exhaust System

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Brand	Flowmaster
Part #	718114
Condition	New

Sierra 1500 Flowmaster Exhaust System Kit 2020 GMC

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Additional Fitment Information:

Vehicle	Sub Model	Engine	CC	CID	Block Type
2020 GMC Sierra 1500	SLE	4 Cyl 2.7L	2720	166	L

Description Specifications Reviews (14)

3.5 To 2.5 in. Tubing; Dual Side Exit; 409 Stainless Steel; Dual 4.5 in. Black Ceramic Coated Tips; Includes Hardware/Factory Hangers;50 State Legal / California Emissions Compliant
FlowFX Cat-Back Exhaust System; 3.5 To 2.5 in. Tubing; Dual Side Exit; 409 Stainless Steel; Dual 4.5 in. Black Ceramic Coated Tips; Includes Hardware/Factory Hangers;
FlowFX Cat-Back Exhaust System

Replacement & Maintenance Guide

Helpful replacement and maintenance guidance for Exhaust System Kit.

System	Exhaust
Description / What It Does	An exhaust system kit may include pipes, mufflers, resonators, clamps, hangers, and gaskets that route exhaust safely away from the vehicle and reduce noise. Leaks can cause noise, fumes, poor emissions results, and rust issues.
Replace / Inspect Guidance	Inspect yearly and before winter; replace sections when rusted through, leaking, loose, or noisy. In salt-belt areas, exhaust parts may need replacement every 5–7 years.
Job Difficulty	Moderate DIY to Pro
Maintenance Tips	Wash salt from the underside when possible, replace broken hangers quickly, and fix leaks before they damage nearby parts.

Today, Flowmaster, Inc. is housed in three ultra-modern facilities together totaling over 400,000 sq. ft., one in Santa Rosa, one in West Sacramento, California and the other in Hayden, Idaho. Flowmaster employs over 250+ workers dedicated to building the highest quality U.S. made exhaust products available.

Flowmaster operates the only exhaust Research and Design facility of its kind in the world, centered around our SuperFlow engine dynamometers complete with E.C.A. (engine cycle analysis) equipment and also SuperFlow chassis dynos. Through use of these dynos, Flowmaster's engineering staff can track the complete engine cycle in millionths of a second and can obtain exact technical data of each degree of cam rotation, from induction to the tip of the exhaust system, while also showing the power numbers that really matter, the power numbers "to the ground." Flowmaster also utilizes Spectrum Analyzers to fine "tune" the sound of each of the eleven different series of mufflers that Flowmaster currently offers, both for peak performance and just the right sound levels and tones.

Flowmaster's product line includes exhaust products for Performance Street, Muscle Cars, Trucks, Street Rods, RV's, Motorhomes, and all types of race applications. With over 400 different muffler models, 370+ exhaust systems and numerous exhaust accessories available, Flowmaster offers you the choice of sound to fit your preference from "wild to mild" and your specific vehicle needs. With Ray still active and "hands on" with the R and D department in the development of new exhaust products and new technologies currently being tested, the future looks to be very exciting indeed.

General

Exhaust Type

Cat-back

Exit Position

Dual Side

Tip Diameter

4.500 In.

WARNING CA Proposition 65

Yes

Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.