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#42511146FLT
Flowtech 11146FLT Shorty Header, Natural Finish, 2007-14 Tundra 5.7L
$513.95
/each
Factory Shipped
$571.95
Save $58.00
Quantity
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Product Summary
Shorty Header Tube Type, Standard Flange Style, Natural
Rebates Available
See rebate detailsKey Specs
| MFG. Part # | 11146FLT |
| Header Tube Type | Shorty |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
| Material Type | Stainless Steel |
Need To Know
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Flowtech Exhaust 11146FLT Details
2007-2014 Toyota Tundra 5.7L V8, 1-5/8" Shorty Header-Natural Finish
- Mandrel-bent 1-5/8” diameter 16-gauge stainless steel tubing
- Designed as a direct fit replacement for OEM exhaust manifolds
- Offers improved horsepower and torque throughout RPM range
- Bolts directly to factory head pipe
- Extra thick 3/8” flanges for a leak-free seal
- Complete with premium gaskets and hardware
- Will accommodate all emission control devices
- Available in Black Ceramic, Polished and Natural
- Sold as a pair
Rebates
Holley October Promo 10% Off Select Parts Sale
Holley's October Promo 10% Off Select Parts Sale, running from September 28, 2026, through November 1, 2026. For a limited time, customers can save up to 10% off on select Holley parts, making it the perfect opportunity to upgrade your ride with premium Holley branded parts including Holley, Brawler, Quick Fuel, Leg Wheels, Rev Wheels, Rocket Racing, Flowtech, Edge, Racequip, Apr and Dinan. Purchases must be made between September 28, 2026, through November 1, 2026. This limited-time offer applies to qualifying Holley branded parts purchased during the promotional period. Following the promotion, these parts will revert back to standard pricing.
CARB Warning
For race/ off road use only
CARB Warning
For race/ off road use only
Flowtech Exhaust 11146FLT Specifications
Flowtech Exhaust 11146FLT Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 11146FLT |
| Brand | Flowtech Exhaust |
| Header Tube Type | Shorty |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
| Material Type | Stainless Steel |
| Color | Natural |
| Weld-Up | No |
| Collector Diameter | 2-1/2 Inch |
| Finish | Raw |
| Hardware Included | Yes |
| Gasket(s) Included | Yes |
| Collector Reducers Included | No |
| Collector Attachment Type | Stock flange |
| GENERAL | |
| Sold in Quantity | Pair |
| GTIN Code | 090127734209 |
| Tuned | No |
| Crossover Pipe Included | No |
| Primary Tube Gauge | 16-gauge |
| Gaskets Included | Yes |
| Transmission Mount Included | No |
| Cylinder Head Port Shape | Round |
| Catalytic Converter(s) Included | No |
| Bolts Studs Included | Yes |
| Motor Mounts Included | No |
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