BMW Catback Exhaust Systems for BMW 3 Series E90 (2006-2011)

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Catback Exhaust systems are designed to completely replace everything from your cats all the way back to your exhaust tips. Traditionally, if you are planning on upgrading your entire exhaust system, you will also need headers and downpipes.
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E90 328i 328xi Borla Sport Exhaust - Cat-Back Rear Section, Mufflers
E90 328i 328xi Borla Sport Exhaust - Cat-Back Rear Section, Mufflers ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Borla - Corporate Logo
T#:183998
Part#: 140505
In Stock at Vendor
$ 1,393.99

This product was last offered at the strikethrough price on
04-09-2026

$ 1,291.99 USD
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$ 1,291.99 USD
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Section: cat-back rear mufflers
Installation: slip-on
Tip Style: dual round 80mm Borla angle cut


The Borla Touring system for the E90 328i is a cat-back system comprised of a resonated center pipe and rear muffles. This system was Borla's response to a demand for greater volume for the 328i's N52 motor. Borla has tuned this exhaust to give more of a throaty burble, especially at low RPM while maintaining acceptable sound levels for daily street use. This Borla system is perfect if you want to hear the exhaust but not annoy the people in the car next to you. And this is a true cat-back system so no catalytic converters or emissions equipment is affecting by installing this. And with a free-flowing design this will allow a modest bump in power output. The Borla system is also a lot lighter than the factory system; less weight = more performance!

Every Borla is made with 304 stainless steel for the internals and muffler body. Unlike other systems that can use coated aluminum, mild steel, or 409 stainless, the Borla uses true 304 stainless on the inside as well as the outside. This prevents the muffler from rusting and deteriorating from the inside out. Borla guarantees every muffler with a 1,000,000 mile warranty. Turner Motorsport has been the leading Borla dealer for BMW exhausts since we sold our first system in 1996, including using Borla Exhausts on every Turner BMW racecar.

This item fits the following BMWs:
2006-2012 E90 BMW 328i 328xi 328i xDrive - Sedan
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E90 E92 335i/335xi Borla S-Type Aggressive Sport Exhaust - Cat-Back Rear Section, Mufflers
E90 E92 335i/335xi Borla S-Type Aggressive Sport Exhaust - Cat-Back R...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Borla - Corporate Logo
T#:4176
Part#: 140276
Ships in 2 Business Days
$ 1,419.99 USD
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$ 1,419.99 USD
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Section: cat-back x-pipe, rear mufflers
Installation: slip-on
Tip Style: dual round 80mm Borla angle cut
Power Gain: +7hp

The Borla 'Aggressive' system for the E90/E92 335i is a cat-back system comprised of no resonators, x-pipe section, and dual rear mufflers. This system was Borla's response to a demand for greater volume for the 335's twin-turbo N54 motor. The turbos make the car quieter so having a performance exhaust will allow you to finally hear the engine. Borla has tuned this exhaust to give more of a throaty burble, especially at low RPM while maintaining acceptable sound levels for daily street use. This Borla system is perfect if you want to hear the exhaust but not annoy the people in the car next to you. And this is a true cat-back system so no catalytic converters or emissions equipment is affecting by installing this. And with a free-flowing design this will allow a modest bump in power output. The Borla system is also a lot lighter than the factory system; less weight = more performance!

Every Borla is made with 304 stainless steel for the internals and muffler body. Unlike other systems that can use coated aluminum, mild steel, or 409 stainless, the Borla uses true 304 stainless on the inside as well as the outside. This prevents the muffler from rusting and deteriorating from the inside out. Borla guarantees every muffler with a 1,000,000 mile warranty. Turner Motorsport has been the leading Borla dealer for BMW exhausts since we sold our first system in 1996, including using Borla Exhausts on every Turner BMW racecar.

This item fits the following BMWs:
2006-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
2007-2010 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
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BMW M Performance Inconel Exhaust - E90 M3 (2008+)
BMW M Performance Inconel Exhaust - E90 M3 (2008+)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW M Performance - Corporate Logo
T#:4920
Part#: 18302184198
Ships in 8 Business Days
6% off MSRP $ 8,460.57

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 7,914.11 USD
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6% off MSRP
$ 8,460.57

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 7,914.11 USD
Free Shipping
Add to Wish List
As used on the Lime Rock M3 Project Car
With the racetrack and the street in mind, this new exhaust system is crafted from an extremely heat-resistant and lightweight chrome-nickel alloy called Inconel�. This flow optimized exhaust system reduces exhaust backpressure and allows the M3�s 414 horsepower V8 engine to produce an even more powerful sound. Inconel�s unique qualities allowed engineers to reduce the thickness of the tubing from 1.5mm to 0.8mm. This resulted in a weight reduction of approximately 40%, or about 20 lbs. when compared to the stock exhaust system. Inconel has also proven to be very corrosion resistant and has been used at the highest level of Motorsports. The M Performance Exhaust includes perforated inner pipes and polished titanium tips, which are laser engraved with the M logo. It represents the ultimate in technology and sportiness, accentuating the individual character of the BMW M3. The exhaust was developed using state-of-the art CAD and FEM technology ensuring optimum fit and OEM quality.

This item fits the following BMWs:
2008+ E90 BMW M3 Sedan
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