You also need to be careful when tightening the bolts on the cat back. Over-tightening can damage the system, so just make sure they're tight enough to hold everything in place. It's important to make sure that the cat back is properly aligned with the exhaust pipe. If it's not, you could end up with an inefficient or even dangerous exhaust system. Competitors often rely on generic silencers or gimmicks that claim to cut out drone without any real knowledge or development involved.

The new Large Bore-HD exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. This system is available in 4" cat-back with muffler. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value. For over 40 years, MagnaFlow has maintained its position at the forefront of high-end catalytic converter and performance exhaust manufacturing. MagnaFlow stands by its products with industry-leading warranties in service of its mission to provide the highest quality exhaust experience from start to finish.

And for early access to special offers on the products you love, add Banks Special Offers. In a world of companies making disparate parts, Banks engineers the entire engine, not just its components. The proof of Banks’ expertise is its list of national championships and world records as well as the biggest military engine contract of the century. Of all the possible options, the U.S. military chose the Banks D866T engine for its high performance and durability.

Federal Catalytic Converters are not legal for sale, installation or use in the state of California. It should be noted that a split system will often provide an aggressive noise increase, and some designs will split the two pipes to opposite sides of the vehicle. If you are looking to save a little money but still get most of the benefits of a cat back exhaust system, however, aluminized steel may be the way to go. Made from traditional steel that’s been coated on all sides with aluminum-silicon alloy, these systems are very strong thanks to the metallurgical bond which still provides a level of corrosion resistance. While the aluminum coating reflects heat well, the steel can corrode if the aluminum layer is chipped or scraped off. Most cat-back systems will come in either an aluminized or stainless steel version.

Your engine’s performance and acceleration are then increased. The mandrel-bent tubing reduces the level of back pressure in the exhaust manifold as the larger diameter reduces restriction to the flow of exhausts. REMARK is an exhaust system manufacturer specializing in producing high quality, hand crafted exhaust components and systems for a range of vehicles. All products are made from 304L "Aircraft" Grade stainless steel. Milltek's 3.15" (80.00mm) Sport Catback Exhaust System has multiple tip options in Polished, Cerakoke Black, Brushed Titanium, Burnt Titanium and Carbon fiber. You get the only the best with SPD's 3" resonator delete pipes. These 304 stainless steel pipes are ..

When the exhaust mode is placed in "Sport" mode the exhaust system broadcasts an "Xtreme" level sound 6 decibels louder than the stock exhaust system. As the driver adjusts the exhaust mode to the "Normal" level, the exhaust produces an exhaust note more closely resembling a CORSA "Sport" level exhaust note. At Mishimoto we offer a variety of products such as intercoolers, catch cans, cold air intakes and more. Trust in Mishimoto's expertise and commitment to quality to deliver exceptional products for all your automotive needs. Mishimoto exhaust systems utilize high-flow mufflers for minimal flow restriction.

Video Features Options Short video of our 3" Catback Exhaust for the 07+ Honda Civic Si Sedan. Note that this was installed on a naturally aspirated setup (stock header and... Already own an&nbsp