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    BMW E46 Borla Performance Exhaust Systems

    We've been big fans of Borla Exhaust for BMWs since we opened our doors in 1993. Borla produces some of the best-sounding, lightest, longest lasting exhausts on the market. These systems are made in the USA with true T-304 stainless steel inside and out and backed with a 1,000,000 mile warranty. Borla puts and emphasis on quality by using stainless steel throughout their piping and muffler bodies (not a mild steel or coated aluminum). This ensures the muffler does not deteriorate from the inside out. Borla designs their exhausts to complement a BMW's understated sportiness, not overpower it. Borla produces each system to have a deep, sporty tone that doesn't offend or intrude on the cabin. So you hear the exhaust when you want to, not all the time. Most Borla BMW exhausts are a true-cat back and bolt or clamp to the original catalytic converter for an easy install. Each system is engineered for the application and refined in their own sound lab - changing pipe sizing, layout, and incorporating mufflers and/or resonators as needed to achieve a sporty yet refined sound. Borla also produces full race exhausts for the committed enthusiast with cat-delete and test pipes.
    You're currently viewing parts for your (E46) 3-Series 1999-2005. Reset your chassis
    For accurate results, specify your year and model below.
    Section: header/cat-back, center section with resonator, rear muffler
    Method: bolt-on to header, clamps elsewhere
    Tip Style: dual round 76mm Borla angle cut
    Power Gain: +10hp

    The Borla for the E46 323/328 is a full exhaust - bolting to the stock exhaust header/cat and continuing all the way to the rear. No cutting or welding! Most other exhaust systems for this car are only the rear muffler but this is the entire system in 100% stainless steel. This exhaust will really wake up the 323i/328i with a deeper tone and much improved flow over the stock system. We see gains of over 10hp with this system alone. And the entire front-back system weighs just 31lbs - a substantial weight savings that will also make the car accelerate, corner, and brake better! But the best feature of this exhaust has to be the sound - throaty and with a deep rumble that makes the M52TU engine sound very aggressive.

    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 all of every Turner BMW racecar.

    This item fits the following BMWs:
    1999-2000 E46 BMW 323i 323ci 328i 328ci
    Part #: 14939
    Price: $918.95 (USD) 
    Quantity:   
    Section: center section with resonator, rear muffler (header/cat-back)
    Installation: bolt-on to header, clamps elsewhere
    Tip Style: dual round 76mm Borla angle cut
    Power Gain: +5hp

    Borla completely re-engineers the exhaust on the E46 325/330 with a tuned all-stainless cat-back system. The E46 Borla bolts straight to the factory manifold and uses all of the factory hangers for an easy and seamless install. Your factory exhaust can come off as one complete piece and bolt this in its place! This is a full stainless system - T304 inside and out for maximum corrosion resistance. The Borla flows better than the stock system too for increased performance, even over the stock ZHP system. But we love the sound of this system the most - deep and with plenty of rumble to set it apart from the stock sound. It's a tuned system, with front resonator and rear muffler, to be louder than stock but not excessive. It's also a lot lighter than the stock system at only 33lbs from nose to tailpipe.

    Read what Borla owners have to say:
    "The difference over stock is noticeable the instant you turn the key. It begins with a deep muted rumble at engine start. Between 1200-2000rpm, you are treated to a nice throaty (and somewhat loud) growl. Between 2500-3500rpm, the deep growl reveals a slightly deeper, more melodic mechanical rev-up. Once past 4500rpm, the car begins to sound surprisingly stock, all the way up to redline. Lifting off the gas reveals a slightly more pronounced "burble" that settles into a low rumble as revs drop back to idle. At steady cruising speeds, the exhaust does not drone. Planting your right foot brings back that wonderful low growl."
    "...the Borla is a very well built unit. Very civilized exhaust note... more agressive, yet not obnoxiously loud."
    "I can easily say the Borla exhaust is much better than the X&X exhaust. My brother has the Borla on his 330i ZHP, and I had the X&X on my 330i. The X&X exhaust didn't have the quality of engineering compared to the Borla. The X&X was louder, and had horrible resonation - unacceptable for street use. The Borla is bolt-on, excellent quality, and hangs perfectly straight. The sound is a bit louder than stock, yet never "rice" or obnoxious."

    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 all of every Turner BMW racecar.

    This item fits the following BMWs:
    2001-2005 E46 BMW 325i 325ci 330i 330ci
    Part #: 140084
    Price: $1,195.95 (USD) 
    Quantity:   
    Section: rear mufflers
    Installation: bolt-on
    Tip Style: quad round Borla angle cut
    Power Gain: +12hp

    These Borla mufflers will give your M3 a bit more growl and presence. These are stainless steel, high-flow mufflers that bolt on to the stock center section (or Borla midpipe). The stock M3 muffler is very large and softens the S54's exhaust note quite a bit. The Borla mufflers are much smaller and lighter with much-improved flow that increases horsepower and performance. Borla compared their mufflers with a common aftermarket brand and found their's flowed 10% better (click here for Borla comparison). The Borla system saves over 20lbs from the stock muffler.

    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.

    Applications:
    2001-2006 E46 M3
    Part #: 140034
    Regular Price: $1,378.95 (USD)
     Sale Price: $1,241.06 (USD) 
    Quantity:   
    Section: section 2, rear muffler
    Installation: bolt-on to factory section 1, clamps elsewhere
    Tip Style: quad round 76mm Borla angle cut
    Power Gain: +12hp

    Borla's latest engineering advancement is the ATAK system - Acostically Tuned Applied Kinetics technology which allows a very high volume without drone and distortion. Borla engineers manage the sound waves inside the exhaust to produce an exhaust note that maintains its tone as revs rise. With ATAK, the sound output is tuned like a graphic equalizer to shape and focus sound waves for optimum high-volume output. This exclusive technology produces the highest available dB (decibel) levels in the Borla street-legal lineup, and is designed for high-performance purists who prefer exhaust notes over their stereos. The sound is aggressive and minus a lot of the tinny rasp sound of other exhausts. For an exhaust that really emphasizes the M3's motorsport background this is THE exhaust system.

    This system replaces the E46 M3's Section 2 and rear muffler. It bolts to the stock Section 1 (or aftermarket equivalent) and uses all of the original hangers and gaskets. 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 all of every Turner BMW racecar.

    This item fits the following BMWs:
    2001-2006 E46 BMW M3
    Part #: 140394
    Price: $2,206.95 (USD) 
    Quantity:   
    Section: section1, section 2
    Installation: bolt-on to header/cat, clamp in the middle, bolt-on to muffler
    Power Gain: +1-2hp

    This Borla V2 midpipe for the E46 M3 is one of the best products for reducing the M3's infamous rasp sound. Borla places a high-flow resonator and x-pipe section far up in the system and that will alter the engine note to be deeper and more rumble than rasp. This is a bolt-on system to the Borla mufflers and most other stock or aftermarket headers and mufflers. No cutting or welding which makes it fully reversible if you ever went back to stock or sold the car. No factory emissions equipment is affected either.

    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 it 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.

    Applications:
    2001-2006 E46 M3
    Part #: 60090
    Price: $834.95 (USD) 
    Quantity:   
    Section: section1, section 2, rear mufflers
    Installation: bolt-on to header/cat, clamp and bolts elsewhere
    Tip Style: quad round Borla angle cut
    Power Gain: +12hp

    This package combines Borla's celebrated V2 Midpipe with their unique oval-tip mufflers. The Midpipe is recognized as one of the best exhaust upgrades that will reduce the raspy exhaust note from the S54 engine. This full Borla exhaust for the E46 M3 will give more rumble and depth to the exhaust note, especially at low RPM. Four round tips in the bumper are a pleasing aesthetic bonus over the stock muffler tips. This is a true cat-back exhaust for the M3 with the front section bolting right to the headers/cats. All of the factory hangers and gaskets are re-used.

    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.

    Applications:
    2001-2006 E46 M3
    Part #: 60090/140034
    Regular Price: $2,213.90 (USD)
     Sale Price: $2,076.01 (USD) 
    Quantity: