Borla Dual Left Rear Exit Cat Back Exhaust BMW 328i Sedan 2.0L AT/MT RWD 2012-2015

3 In stock
Exhaust Cat Back

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Part #: 140509

Borla has just released their Cat-Back for the BMW 328i Sedan (RWD). The system features 2.75" diameter piping into mufflers with a 2.25" dual outlets.

Each system is built from premium austenitic stainless steel, superior to T-400 series, to provide the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, Borla stands behind every system with a Million-Mile Warranty.


  • Tip Diameter and style: 3.14", Dual Round Rolled Angle-Cut
  • Piping Diameter: 2.75"
  • Muffler Outlet Diameter: 2.25"


Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

Borla Dual Left Rear Exit Cat Back Exhaust BMW 328i Sedan 2.0L AT/MT RWD 2012-2015
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