Skip to product information
1 of 6

FLOWMASTER

Flowmaster 737894 FLOWMASTER SIGNATURE SERIES EXHAUST

Flowmaster 737894 FLOWMASTER SIGNATURE SERIES EXHAUST

SKU:F13737894

Regular price $1,485.99
Regular price Sale price $1,485.99
Sale Sold out
Shipping calculated at checkout.

Low stock

Quantity
  • Genuine brand-name parts
  • Ships from US warehouse
  • 30-day returns

Fits: 2019 Chevrolet Silverado 1500 · 2019 GMC Sierra 1500

  • Brushed 304 stainless steel offers maximum corrosion resistance for a cleaner and more high-end appearance.
  • TIG welding offers a more precise weld, better heat control and high-end appearance compared to MIG welding.
  • Retains factory exhaust bezels for a cleaner apperance.
  • Signature Series muffler offers an aggressive to moderate performance tone and increased performance over the stock system.
  • Installer friendly design allows for an at home installation.
  • Dyno proven performance gains you can feel.
  • Increased power and torque over the stock exhaust system.
  • Brushed appearance removes tooling marks for a cleaner overall look.

Fits 2019*-2026 (*New Body) Chevrolet / GMC Silverado / Sierra 1500 Crew Cab/Double Cab models with 5.3L and factory dual tailpipes, 304 Stainless Steel exhaust. Flowmaster's Signature Series Cat-back exhaust system is designed for the 2019*-2026 GM Silverado/Sierra 1500 trucks (*new body style) with 5.3L engine and factory dual exhaust. This bolt-on system is manufactured using premium brushed 304 stainless steel throughout and features a 3.00-inch inlet pipe leading to a single inlet/dual outlet Signature Series straight-through muffler for a deep, moderately aggressive sound and maximum performance. This premium exhaust system is TIG welded for a stronger, more precise weld that looks as good as this system sounds. Maximum dyno gains of 21 hp and 26 lb.ft at the rear wheels. The dual 2.50-inch mandrel bent tailpipes are custom routed to clear the factory spare tire and tow hitch without any clearance issues and exit out through the factory exhaust bezels in the bumper, retaining the factory dual exhaust appearance. This system utilizes factory hanger locations, includes installation instructions, and all necessary hardware for an easy at home installation. Note: Fits 2WD and 4WD models.

Brand FLOWMASTER
Manufacturer part number 737894
UPC / GTIN 90127865149
Weight 54.60 lb
Dimensions (L × W × H) 54 × 26 × 11.5 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