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    BMW E82 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 (E82) 1-series 2008+ Coupe and Convertible. Reset your chassis
    For accurate results, specify your year and model below.
    Section: rear muffler
    Installation: bolt-on with flange
    Tip Style: dual round 90mm Borla angle cut
    Power Gain: +6hp

    This stainless steel rear exhaust section replaces the heavy (and restrictive) stock rear muffler on the 135i. Shed excess weight and restriction, and get a better sound! You will love the rich, deep sound this rear muffler gives your 135i. And if you have tuned your 135i to make more boost than stock, you will greatly appreciate the added power and reduced weight.

    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 Borla Exhaust fits the following BMWs:
    2008-2013 E82 1 Series 135i coupe
    2008-2013 E88 1 Series 135i convertible
    Part #: 11763
    Price: $1,334.95 (USD) 
    Quantity:   
    Section: downpipe-back complete system, cat-delete
    Installation: bolt-on with flanges to downpipes, clamps elsewhere
    Tip Style: dual round 76mm Borla angle cut
    Power Gain: +15hp

    If you're looking for a well-built and very light exhaust system for your track/racing 135i this is a fantastic option! This E82 Borla Race Exhaust is the full system from the downpipes to the back of the car. It's a straight-pipe design, with Test Pipes to eliminate the secondary cats, and a single rear muffler. The free-flowing design is perfect on the turbo engine as the turbo impeller(s) spin with less resistance. This is 100% stainless steel with mandrel-bent tubing from the official exhaust supplier to the Turner Motorsport race team. This system is only intended for race or track-only cars as it deletes one set of cats and has only one muffler for sound dampening. The primary stock cats in the exhaust manifolds remain untouched.

    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.

    This Borla race exhaust fits the following BMWs:
    2008-2011 E82 1 Series 135i coupe
    2008-2011 E88 1 Series 135i convertible
    Part #: 12655
    Price: $1,633.95 (USD) 
    Quantity:   
    Section: rear muffler
    Installation: bolt-on with flange
    Tip Style: quad round 80mm Borla angle cut
    Power Gain: +8hp

    The Borla ATAK exhaust for the 1M is what the car should have had on it from the factory! Producing a throaty but muted growl, this exhaust makes the car sound like a baby M3. It's perfectly suitable for around town and civilized situations but will open up into a roar when you want the fun to start. Borla has spent a lot of time fine-tuning the mufflers to produce just the right amount of throaty noise while also eliminating drone as much as possible. The rear section actually consists of two, separately-tuned Borla mufflers with the correct piping for a true, bolt-on fitment. The entire system is 100% stainless steel with a 1,000,000 mile warranty. The quad round tips are 80mm diameter and polished, close to the stock size, for a subtle but pleasing aesthetic upgrade. Borla measured power gains of 7-10whp. For Borla's installation guide, click here.

    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:
    2011-2012 E82 BMW 1M Coupe
    Part #: 11820
    Price: $1,915.95 (USD) 
    Quantity: