Borla
Borla Silverado 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK
* Images may be a representation and may not reflect the actual product.
Product Details
The BORLA® sound of power. Its been described as asonic shot of adrenaline. An intoxicating concert ofsteel, gears and combustion that echoes from thespeedways, deserts and highways of the world.The sound of more victory laps than any otherbrand, the BORLA® exhaust note has become the quintessentioal soundtrack of high-performance motoring. And like all good automotive designs there is function behing the form. As any driving enthusiast knows, the sound of an exhaust provides more than just ear candy. Its a communications conduit between car and driver. A link between human and machine. The exhaust sound provides accoustic feedback of engine rpm to aid the driver in critical decisions such as gear selection or throttle input in rev-match shifting. At BORLA®, we understand this concept better than any exhaust manufacturer. Combining patented technology with computer modeling, extensive prototyping and advanced sound analysis tools. BORLA® engineers spend countless hours tuning exhaust systems to best reflect the personality and performance of vehicle applications. The result is an enhanced driving experience. With unrivaled clarity, the BORLA® exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensory feedback of sound. With unrivaled clarity the Borla exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensry feedback of sound.
This system features the aggressive ATAK(r) sound and 4 bright chrome on T-304 stainless steel tips. Borla(r) Cat-Back(tm) & Axle-Back multi-core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Borla Silverado 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK, Borla Sierra 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK
Fitment: 2014 CHEVROLET/GMC Silverado/Sierra 1500 5.3L Automatic/Manual Trans. Crew Cab Standard Bed (78.7) 153.0 Wheel Base.
SPECS: 140549 Cat-Back 2.75 into muffler dual 2.25 out 4 Single Round Rolled Angle-Cut 36 Truck Single Split Rear Exit
BORLA exhausts from LMPerformance are built of aircraft-quality T-304 stainless steel -- stainless inside and out. Borla's free-flow exhaust utilizes patented award and race winning technology to deliver quality, sound, performance gains and enhanced fuel economy — all with an easy bolt-on installation. All BORLA street products carry an unsurpassed written million-mile warranty. Gains are usually 7-10% increase in HP.
BORLA® Cat-Back TM & Rear Section exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere.
Fitment Abbreviations:
** AWD=All Wheel Drive, EC = Extended Cab, MT = Manual Trans., STB = Standard Bed, AT =Automatic Trans., FI = Fuel Injection, RC = Regular Cab, T = Turbo, BC = Black Chrome, FWD = Front Wheel Drive, RWD = Rear Wheel Drive, 2WD = 2 Wheel Drive, CAT = Catalytic Converter, HO = High Output, SB = Short Bed, 4WD = 4 Wheel Drive, CC = Club Cab, LB = Long Bed, SC = Super Charged, 2DR = 2 Door, CRC = Crew Cab, 4DR = 4 Door, AFM= Active Fuel Management, NPP=Duel Mode Exhaust
ATAK: Borla's newest sound level and also their loudest. Very aggressive tone at idle and under throttle. S-TYPE(SPORT): Borla's middle sounding exhaust which is not quite as loud as the ATAK but has a noticeable rumble and tone under acceleration.
TOURING: Borla's quietest offering which has a slight rumble but only slightly louder then stock.
Borla Sierra 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK
*** AC = Angle Cut, RE = Rectangular, Ph = Phantom, R = Rear, CF= Carbon Fiber, RL = Rolled, RD = Round, S = Side, D = Dual, S = Single, TO = Turnout, SR = Split Rear, HRL = Half Rolled, SQ = Square, OV = Oval, SS = Split Side, IC = Intercooler, TD = Turndown, CR= Center Rear
Borla Sound Levels Explained:
Borla Silverado 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK, Borla Sierra 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK
Borla Silverado 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK, Borla Sierra 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK
Fitment: 2014 CHEVROLET/GMC Silverado/Sierra 1500 5.3L Automatic/Manual Trans. Crew Cab Standard Bed (78.7) 153.0 Wheel Base.
TOURING: Borla's quietest offering which has a slight rumble but only slightly louder then stock.
Borla Silverado 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK, Borla Sierra 1500 5.3L Cat-Back Exhaust Split Rear Exit ATAK
Vehicle Fitment
Please verify year, make, model, and any notes before ordering.
- 2014-2019Chevrolet Silverado
- 2014-2019GMC Sierra
Product Specs
- Brand
- Borla
- Part Number
- 140549
- Catalog Number
- 00663518
- Product Line
- Cat-Back: ATAK
- Category
- Exhaust
- Type
- Catback
- UPC / Barcode
- 808422405492
- Vendor Product Category
- Exhaust, Mufflers & Tips
- Vendor Product Subcategory
- Catback
- Length
- 60.50 in
- Width
- 15.70 in
- Height
- 13.20 in
- Weight
- 52.90 lb
- Units Per SKU
- 1
- Freight / LTL
- No
- Air Restricted
- No
- Prop 65
- Y
- CARB Approved
- Yes
- Clearance Item
- No
Shipping & Availability
This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.
PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Inventory shown: 8 available as of 6/4/2026.
Manufacturer warranty and return policy details will display here when available. Please refer to the manufacturers website for warranty information.
Reviews & Questions
Real product feedback when available, plus quick ways to get fitment or product help.
Other Popular 2017 Parts
You may be asking yourself if Borla is worth the cost. Well to ease your mind we are here to tell you that every Borla Cat-Back System, Borla Header and Rear Section Exhaust is constructed of aircraft-quality authenticate stainless steel and is stainless inside and out and utilizes T-304 stainless steel because it is the most resistant to corrosion culminating in a long-lasting and resilient exhaust system.
The Borla exhaust system & Borla Muffler are less restrictive and preserve the velocity and high frequency so the dominant sound is behind the tailpipe where it belongs. And if you are looking for loud then the ATAK system will give you the highest decibel levels. And Borla’s patented, less restrictive design means greater horsepower and gas savings.
The Borla exhausts are specially designed from scratch for each individual vehicle and great care is taken to create the perfect muffler body shape. Coupled with precision internal core configuration, flow dynamics and sound you are assured of an exhaust that is special in every way. .
Review our return, cancellation, shipping, warranty, and product image policies before ordering.
Contact us with questions before ordering
California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov
California Residents: TIRE WARNING: LMPerformance will not ship Tires to California.
Legal: Some or all of these parts may not comply with Federal, State, Province, and/or Local laws, ordinances, and regulations. Buyer takes all responsibility to ensure that any modifications or upgrades that have done conform to all applicable laws and regulations for road use, especially pertaining to safety and emissions. LMPerformance is not responsible for buyer not complying with Federal, State, Province, and/or Local laws, ordinances, and regulations. This policy shall be in force for all past, current, and future purchases from LMPerformance, Inc. LMPerformance will not ship ANY non-CARB compliant products to California where California requires products to be CARB certified such as Catalytic Converters and Induction Kits.
Free Shipping: Please note FREE Shipping refers to shipping within the contiguous continental US only. All other locations extra. Some items that require Truck Freight Delivery will require a Truck Freight surcharge. This surcharge is still a discounted shipping amount that is lower then the actual truck freight shipping charge that is charged to LMP. LMP will try to still give the lowest price possible for truck freight items.
Images: Images may be a representation and may not reflect the actual product. Examples would be SPEC stage 3 clutch kits which all use the same photo.
TYPOS: LMPerformance tries to present the best most accurate information on our website. Sometimes we get mistakes in product information sent from vendors such as typos. We can not be responsible for these typos, if you see something that does not look right please let us know before ordering so we can double check for you first. LMPerformance will not pay for typos in any way, monetarily or otherwise.
Price Errors: In the event that a product has mistakenly been listed at an incorrect price, We reserve the right to refuse or cancel any orders placed for product listed at the incorrect price. We reserve the right to refuse or cancel any such orders whether or not the order has been confirmed and your account charged. If your payment type has already been charged for the purchase and your order is cancelled, a full refund to your orignial payment method in the amount of the incorrect price will be issued.
Special Order ITEMS: Some items are Special Ordered and may not be returnable, or even cancellable as they are going into production specifically because you ordered them. Special Ordered items can have a 5-35% cancelation fee.
Cancellations: Instock orders cannot be canceled due to our automated ordering & fast shipping system. To keep our prices low, all cancelations are subject to a 5% cancelation fee to cover transaction processing fees. We reserve the right to charge up to a 10% cancellation fee for cancelled orders due to merchant fees, Special Order fees and the cost of processing and shipping orders.When you request a cancellation of an order or a part, please note that it may take time for a manufacturer to cancel an order if the order is drop-shipped. We also have to confirm that the product has not shipped. If the product has shipped then this must be processed as a return.Also note that sometimes products ship more quickly than expected, so we recommend that you do not purchase alternative products until receiving final confirmation of the cancellation.
Returns: We cannot accept returns on parts that have been used or installed. No returns will be accepted after 30 days. All Returns must be in original packaging. Prior authorization must be given before any return can be made. Up to a 25% Restocking Fee may apply. Special Orders may be subject to Additional Manufacturer Restock Fees as well. Shipping cost will not be refunded.Hoods as well as PCM Programmers may not be returned unless defective and only for replacement. ALL returns must be first filed using our online form found here: https://www.lmperformance.com/returns.
Lost Order Claims All lost order/package claims must be made within 5 days of the shipping date or tracking information delivery date. All claimes made after this date will not be accepted due to Shipping companies policies of filing loss claims.
Damaged Items or Incorrect Items: Please contact us right away if your item has been damaged in shipping or are incorrect. Please note that we will ship replacement items the same method of shipping the order was originally placed for. LMPerformance can not ship packages overnight at our cost if the original shipping was not also overnight. Claims must be filed in order for replacement parts to be shipped.
Warranties:Any warranty claims must be placed with the manufacturer. All of the products sold by LMPerformance, regardless of the manufacturer, are designed for Racing and Performance applications. Many of our manufacturers offer NO WARRANTY on their products, either stated or implied, due to the unusual stresses placed on the parts and because we have no control over how they are installed and used. Many of these products are designed for off-road use only and are not legal for use on public highways. If you have a question about the warranty on a specific product, please e-mail or call us. Buyer assumes all risk and liability associated with these products.
Installation: We are not responsible for or any costs associated with the installation or the improper installation of any products. Purchaser assumes the risk associated with the installation of products. We, along with the manufacturer of each product are not responsible for any direct or indirect damage to the vehicle, personal, or costs incurred from the use of products.