📘 Flowmaster manuals • Free online PDFs

Flowmaster Manuals & User Guides

Flowmaster manufactures high-performance exhaust systems, mufflers, and air intake products known for their distinct aggressive tone and power enhancements.

Tip: include the full model number printed on your Flowmaster label for the best match.

Flowmaster Support

Official site: https://www.flowmastermufflers.com
General support: https://www.flowmastermufflers.com/support/
Warranty & registration: Warranty info
Support phone: +1-866-464-6553 — Monday - Friday 8AM - 5PM CST, Saturday 8AM - 2PM CST
Contact form: Contact manufacturer support

Flowmaster manuals

Latest manuals from manuals+ curated for this brand.

FLOWMASTER 717810 FlowFX Exhaust Systems Installation Guide

October 21, 2023

FLOWMASTER 717810 FlowFX Exhaust Systems Product Information The product is a Flowmaster performance system designed for the 2014-2022 Jeep Cherokee with a 3.2L engine. It includes various components such as…

FLOWMASTER 718100 Performance System Instruction Manual

October 20, 2023

Installation Instructions 718100 2017-2022 FORD F-250 & F350 6.2L & 7.3L ENGINE OVERVIEW: Take a moment to read and understand these instructions before installing your Flowmaster performance system. NOTE: Please…

FLOWMASTER 718146 Performance Exhaust Instruction Manual

October 19, 2023

FLOWMASTER 718146 Performance Exhaust Instruction Manual OVERVIEW Take a moment to read and understand these instructions before installing your Flowmaster performance exhaust. NOTES Before starting, use the parts list and…

FLOWMASTER 718114 Performance System Instruction Manual

October 18, 2023

Installation Instructions 718114 2019-23 GM 1500 TRUCKS 2.7T ENGINE 147" and 157" wheelbase OVERVIEW Take a moment to read and understand these instructions before installing your Flowmaster performance system. NOTE:…

FLOWMASTER 818148 Force II Exhaust Kit Installation Guide

October 17, 2023

818148 Force II Exhaust Kit Installation Guide 818148 Force II Exhaust Kit 818148 2021-23 FORD F-150 with 2.7L, 3.5L, and 5.0L ENGINE 2- or 4-WHEEL DRIVE, ALL EXCEPT 122" WHEELBASE…

FLOWMASTER 718143 FlowFX Exhaust kit Instruction Manual

October 17, 2023

FLOWMASTER 718143 FlowFX Exhaust kit Product Information The product is an exhaust kit designed for the 2022-23 Toyota Tundra with a 3.5L engine. It is compatible with both 2- and…

FLOWMASTER 717987 Flow FX Exhaust Kit Installation Guide

October 17, 2023

FLOWMASTER 717987 Flow FX Exhaust Kit Installation requires moderate mech animal skill. If this job is beyond your abilities, seek the services of a qualified technician. If you do not…

FLOWMASTER 718154 2021-2023 Ford Bronco Sport OEM Exhaust Installation Guide

October 15, 2023

Installation Instructions 718154 2021-2023 Ford Bronco Sport 1.5 and 2.0L Engine 718154 2021-2023 Ford Bronco Sport OEM Exhaust Installation requires Cutting the OEM exhaust and moderate mechanical skill. If this…

FLOWMASTER 818138 2022-2023 Toyota Tundra with 3.4L Engine Instruction Manual

October 15, 2023

FLOWMASTER 818138 2022-2023 Toyota Tundra with 3.4L Engine Installation Instructions 818138 2022-2023 Toyota Tundra With 3.4L Engine 2 or 4-Wheel Drive Installation requires cutting the OEM exhaust and basic mechanical…

FLOWMASTER 818153 Front Wheel Drive or All Wheel Drive Instruction Manual

October 14, 2023

Installation Instructions 818153 2022-2023 Ford Maverick 2.0L Engine Front Wheel Drive or All Wheel Drive 818153 Front Wheel Drive or All Wheel Drive Installation requires Cutting the OEM exhaust and…

Flowmaster 818163 Installation Instructions for 2024 Ford Mustang GT 5.0L

Installation Guide

Step-by-step guide to installing the Flowmaster 818163 axle-back exhaust system on a 2024 Ford Mustang GT 5.0L V8 (Coupe/Convertible, Non-Valved). Includes parts list, OEM removal, and installation procedures.

Flowmaster American Thunder 17358 Exhaust System Installation Guide for 1998-2002 Camaro/Firebird 3.8L V6

Installation Guide

Detailed installation instructions and parts list for the Flowmaster American Thunder #17358 exhaust system, designed for the 1998-2002 Chevrolet Camaro and Pontiac Firebird with the 3.8L V6 engine.

Flowmaster 818101 Exhaust System Installation Guide for 2021-22 Ford Bronco

installation guide

Step-by-step installation instructions for the Flowmaster 818101 Outlaw Series performance exhaust system on 2021-2022 Ford Bronco models with 2.3L and 2.7L engines.

Flowmaster 718115 Exhaust System Installation Instructions for Ford F-150

Installation Guide

Step-by-step installation guide for the Flowmaster 718115 performance exhaust system on 2021-2022 Ford F-150 models with 2.7T, 3.5T, and 5.0L engines. Includes parts list, removal of stock exhaust, installation of…

Flowmaster 717975 Exhaust System Installation Instructions for 2019-22 Ram 1500 5.7L

Installation Guide

Step-by-step guide for installing the Flowmaster 717975 performance exhaust system on a 2019-2022 Ram 1500 with a 5.7L engine (New Body). Includes parts list, removal of stock exhaust, and installation…

Flowmaster 717924 Installation Instructions for 1999-2007 Silverado/Sierra

installation guide

Step-by-step installation guide for the Flowmaster 717924 FlowFX Cat-Back Exhaust System for 1999-2007 Chevrolet Silverado 1500 and GMC Sierra 1500 with 4.3L, 4.8L, and 5.3L engines.

Flowmaster manuals from online retailers

Flowmaster FlowFX Muffler Instruction Manual

71229 • July 10, 2025

This instruction manual provides comprehensive details for the Flowmaster 71229 FlowFX Muffler, including installation, operation, maintenance, and specifications. Designed for universal fit, this 409 stainless steel muffler delivers…