Flowmaster 21-26 Chevrolet Tahoe 5.3L FlowFx Direct Fit Muffler

SKU: LOW718218

FLO FlowFX Muffler...

Flowmaster 21-26 Chevrolet Tahoe 5.3L FlowFx Direct Fit Muffler

SKU: LOW718218

FLO FlowFX Muffler...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

Your 5.3L feels a little too quiet for what it is, this is the upgrade that changes the experience without changing your routine. The Flow FX Direct Fit Muffler System delivers a deeper, more confident V8 tone with the simplicity and value of a direct fit replacement. It is the perfect first step for drivers who want a meaningful change without the complexity of a full system.

Data: v4.2 - Upd: 2026-10-13 18:49:09

Features

Backed by Flowmaster's Limited Liftemtime Warranty
Deep, refined Flow FX tone engineered for 5.3L GM SUVs
Max dyno gains of 7 hp and 5 lb-ft torque at the rear wheels
Simplified Installation: Simple hand tools and no welding required
Simplified Installation: Utilizes stock hanger location
Tuned to minimize and eliminate unwanted in-cabin drone

Specifications

Reference Information

Brand Name/s	Flowmaster
StreetFX SKU	low718218
SFX Item ID	6877696
Supplier Item Code	6877696
Manufacturer SKU	718218
Manufacturer UPC	90127997239
Alternative References	flo718218, 5.3L