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Borla 08-12 BMW 328i Sdm E90 2.0L RWD Dual Left Rear Exit Touring Cat-Back Exhaust - Borla 140505
Borla 08-12 BMW 328i Sdm E90 2.0L RWD Dual Left Rear Exit Touring Cat-Back Exhaust - Borla 140505
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Borla 08-12 BMW 328i Sdm E90 2.0L RWD Dual Left Rear Exit Touring Cat-Back Exhaust

Borla
BOR140505
808422405058
Catback
11 Units In Stock
$ 1,393.99 $ 1,244.99
FREE Ground Shipping!
$ 1,244.99

This Borla cat-back exhaust system is built for the verified 2006 BMW 325i Base application listed below. Select it by exact manufacturer part number 140505 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

  • Mandrel Bent Tubing: 2.250-inch diameter tubing with ultra-smooth bends maximizes flow; inlet 2.250 in., outlet/tailpipe 2.500 in., tips 3.190 in. diameter.
  • T-304 Stainless Steel Construction: Premium material resists corrosion and ensures long-lasting performance in all conditions, with polished tips for a factory-plus finish.
  • Ships fully assembled; weighs 35 lbs for straightforward handling.
  • Bolt-on design uses factory hangers; no cutting or welding required, typically 1-2 hours.
  • Pioneer in stainless steel performance exhaust since 1978, starting with classics like Ferrari and Rolls-Royce.
  • Yes, direct bolt-on fit for 2007-2011 E90/E91 328i/328xi sedan and wagon, auto or manual, RWD or AWD, 3.0L engine only.

Fitment

Years Make Model Application
2006 BMW 325i Base
2006 BMW 325xi Base
2007-2012 BMW 328i Base

Specifications

Manufacturer Borla
Manufacturer Part Number 140505
Product Type Catback
Sound Profile Touring
Position Rear
Fitment Type Vehicle specific, verify the complete application

What's Included

One new Borla product identified by manufacturer part number 140505. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.

About Borla

Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.

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Frequently Asked Questions

Will this Borla part fit my 2006 BMW 325i Base?
That application is listed, but confirm the engine, drivetrain, body or cab style, wheelbase, factory exhaust layout, tip opening, and every Borla application note before ordering.

Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.

What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.

Installation Instructions

Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.

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