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Catback HP
Catback Torque
 
Muffler Options
14" Quad Core Muffler: Make your exhaust quieter with the 14" muffler or opt out and have it straight pipe and loud.
6" Quad Core Muffler Axelback Section: The axelback section of the exhaust has the option to be straight pipe, 6" muffler welded in, or a 6" muffler section that is bolt-on and removable. The bolt-on/removable option will include two axelback sections, one with the 6" muffler and one without the 6" muffler.
The MAZDASPEED6 Catback Exhaust System allows for optimal flow and minimal back pressure,
which is the key to any turbo powered car. Knowing this, Custom Performance Engineering set
out to engineer a
MAZDASPEED6 Catback Exhaust System that features smooth mandrel bends and a muffler designed to minimize backpressure and promote faster spool up. The dyno-proven results of this effort speak for themselves, with a broad increase of horsepower and torque across the entire operating range of the engine.
The MAZDASPEED6
Catback Exhaust System is manufactured using polished 304 stainless steel. All tubing is made in the USA by the premier pipe manufacturer, RathGibson, and designed to last the life of the car. The muffler features a quad core design and is fabricated by hand in the USA. It is also constructed of 304 stainless steel, inside and out. Please note the quality of the ½” locking stainless steel hangers, and the stainless steel bolts, nuts and washers. Just like the rest of our products, CPE has paid very close attention to the quality of materials and craftsmanship, yielding a product that we are proud to make, and you will be happy to own the MAZDASPEED6
CP-E Exhaust Components. Catback kit includes 3” tubing, optional 14" quad core muffler, optional axelback 6" muffler, stainless steel band clamp, and gasket for stock downpipe.
Sound Clip
of Catback Exhaust
Sound Clip
of Catback Exhaust WITHOUT Mufflers
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New Catback 
