Skip to product information
1 of 8

FLOWMASTER

Flowmaster Flow FX Chambered Muffler – 3.00" Offset In / 3.00" Center Out

Flowmaster Flow FX Chambered Muffler – 3.00" Offset In / 3.00" Center Out

SKU:F1371229

Regular price $127.99
Regular price Sale price $127.99
Sale Sold out
Shipping calculated at checkout.

In stock

Quantity
  • Genuine brand-name parts
  • Ships from US warehouse
  • 30-day returns
  • STRAIGHT-THROUGH PERFORMANCE: Flowmaster’s Flow FX series mufflers deliver a moderate performance tone that’s deeper than chambered mufflers without excessive cabin drone.
  • PERFORATED CORE TECHNOLOGY: Features a large diameter straight-through stainless steel perforated core with high-temp sound-absorbing materials for a deep, traditional mellow tone.
  • PROVEN PERFORMANCE: Improves horsepower and torque by enhancing exhaust flow and reducing back pressure—ideal for street enthusiasts and daily drivers.
  • BUILT TO LAST: Made from durable 409S stainless steel and fully MIG-welded to ensure long-lasting performance, corrosion resistance, and vibration.
  • UNIVERSAL FITMENT: Designed for maximum versatility with reversible flow paths, fitting tight spaces and custom builds with multiple inlet/outlet configurations.
Brand FLOWMASTER
Manufacturer part number 71229
UPC / GTIN 700042037537
Weight 12.11 lb
Dimensions (L × W × H) 21 × 10 × 4.5 in
Category Engine & Drivetrain
Condition New — genuine brand-name part
Genuine brand-name part, full manufacturer warranty. Ships from the closest US warehouse — normally within 1–3 business days. Verify fitment with the manufacturer part number above; not sure? Send us your VIN and we’ll confirm before you order. 30-day returns on unused parts.

Shipping & delivery

Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.

Returns & warranty

Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.

Fitment & part numbers

Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.

View full details