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Exhaust› Exhaust Pipes, Systems and Components

BBK Performance

VariTune Axle-Back Exhaust Kit

$749.99 $699.99 Save $50.00

SKU: 41015

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The BBK Performance 41015 is a VariTune axle-back exhaust kit. Constructed from stainless steel, it features 2.75" tubing and 4" tips. This kit is designed as a direct bolt-on replacement for the factory exhaust.

This exhaust system is specifically designed for the 2011-2014 Ford Mustang GT and Boss 302 models with the 5.0L V8 engine. The patented Varitune mufflers include a unique internal power valve.
Show original supplier description
The BBK Performance 41015 VariTune Axle Back Exhaust Kit is engineered to elevate the performance and sound of your Ford Mustang. Crafted from durable stainless steel, this kit features 2.75" tubing and 4" exhaust tips, offering a premium look and long-lasting performance. It incorporates BBK's patented Varitune technology, utilizing a unique internal power valve that allows you to personalize the power and sound levels of your vehicle. This system is specifically designed for the 2011-2014 Ford Mustang GT and Boss 302 models equipped with the 5.0L V8 engine.
Vehicle Symptoms
  • Stock exhaust too quiet
  • Desire for louder exhaust note
  • Want adjustable sound levels
  • Seeking mild performance gain
  • Want to customize exhaust tone
Relevant Conversations
  • BBK VariTune axle back exhaust review
  • BBK 41015 install Mustang GT 2012
  • Best axle back exhaust for 2014 Mustang GT
  • BBK vs Corsa axle back
  • How to adjust VariTune muffler
  • Mustang 5.0 exhaust upgrade sound
  • BBK exhaust kit 41015 sound clip
  • Will BBK VariTune fit 2011 Mustang Boss 302
  • Pair with aftermarket headers
  • Co-purchase with cold air intake

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandBBK Performance
Part Number41015
CategoryExhaust
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Returns & Fitment

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.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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