Sale

Exhaust Headers, Manifolds and Components

Flowtech

Shorty LT Headers Black Painted Finish Fits 2014-2015 Chevy/GMC Silverado/Sierra/Tahoe/Yukon 1-5/8 Inch Shorty Header For 5.3/6.2L LT Engines (2WD/4WD) FlowTech

$575.95 $332.75 Save $243.20

SKU: F00M 11548FLT

Out of Stock
In Stock
Ships by Aug 5
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 11548FLT

Flowtech Headers are the perfect combination of quality and value. These shorty style race headers fit the popular 2014-2015 Chevy/GMC Silverado/Sierra/Tahoe/Yukon 5.3L & 6.2L V-8, 2WD/4WD models.Features and Benefits:Mandrel-bent 409 Stainless Steel tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity Heavy duty 16-gauge tubing for increased strength and durability Smooth transition, 1-5/8 inch diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response OE style 2-1/2 inch ball and socket collector connects to factory exhaust head pipe with no cutting or welding TIG-welded, machined 3/8 inch header flange for a leak-free seal and maximum strength Premium aluminum header gaskets included Available finishes include Natural, Polished, High Temp Black paint, and Ceramic Coated finishes Popular shorty header for LT-SwapsDetails:Air Injection Tubes: NoBolt size: M8 x 1.25 x 25mmBolts Included: YesCARB (California) Compliant: NoCatalytic Converter Quantity: 0Collector Attachment: 3-Bolt FlangeCollector Diameter: 3.00 InchCollector Port Diameter: 2.50 InchCollector Reducer Included: NoColor: BlackCylinder Head Flange Thickness: 3/8Design: ShortyDrive: 2WD, 4WDEGT (Exhaust Gas Temperature) Port: NoEGT Port: NoEmission Code: 4Engine: GM Gen III/IV (LS)Finish: PaintedFlange Thickness: 0.375 Inch, 3/8Gasket Or Seal Included: YesGrade Type: PerformanceHeader Finish: Black PaintHeader Series: FlowtechHeader Style: ShortyMaterial: 409 Stainless SteelMounting Hardware Included: YesOxygen Sensor Port: NoPort Shape: OvalPrimary Tubing Diameter: 1-3/4, 1.75 InchProduct Type: HeadersQuantity: Sold as a PairSheen Level: SatinTube Material: 409 Stainless SteelTube Wall Thickness: 16 Gauge

Features:

  • Mandrel-bent 409 Stainless Steel tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty 16-gauge tubing for increased strength and durability
  • Smooth transition, 1-5/8" diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
  • OE style 2-1/2" ball and socket collector connects to factory exhaust head pipe with no cutting or welding
  • TIG-welded, machined 3/8" header flange for a leak-free seal and maximum strength
  • Premium aluminum header gaskets included
  • Available finishes include Natural, Polished, High Temp Black paint, and Ceramic Coated finishes
  • Popular shorty header for LT-Swaps

Fits 2014-2015 Chevy/GMC Silverado/Sierra/Tahoe/Yukon 1-5/8" Shorty Header for 5.3/6.2L LT Engines (2WD/4WD)

MIA's Description

Revamp the performance of your V8 Sierra 1500 with Flowtech's 1-5/8-Inch Shorty Headers, expertly engineered to boost power and efficiency. These headers are a perfect upgrade for enthusiasts seeking enhanced engine performance and sound. Constructed with mandrel-bent tubing, these shorty headers ensure smooth and uninterrupted airflow, crucial for maximizing engine efficiency and power. Each header is TIG-welded, a method known for its strength and durability. Finished in a sleek black-painted coating, these headers not only perform exceptionally but also add a touch of style to your engine bay. Installing these headers can lead to noticeable increases in horsepower and torque, offering a more responsive and powerful driving experience. Additionally, the improved exhaust flow can contribute to better fuel efficiency, making your Sierra 1500 more economical to run.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFlowtech
Part NumberF00M 11548FLT

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy