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This COBB 3″ GESI catted downpipe is a direct factory replacement when used with the COBB Cat-Back Exhaust. It features full 304 stainless steel construction. The 4″ Flex Section helps to ensure factory-like fitment.
AIRTEC Motorsport de-cat downpipe for the Fiesta MK6 TDCI.
A real must for modified Fiesta’s, being one of the only people to produce a de-cat downpipe for the TDCI engine, AIRTEC Motorsport offer this in the highest quality with a great price!
AIRTEC part no: ATEXHFO10
AIRTEC Motorsport De-Cat Downpipe for BMW B58 Engine.
By removing the original restrictive catalytic converter located within the factory OEM downpipe, back pressure is hugely reduced, which in return means faster response, increased power and a more aggressive exhaust note.
AIRTEC Part No: ATEXHBMW1
Single item of extension kit for R35 GT-R’s GT570 and GT600 racing package. Can be used for time attack automobile’s straight type catalyzer.
* For racing only part because it has no catalyzer system.
HKS released a new exhaust joint pipe that goes in the middle of primary and secondary catalytic converter.
Stock φ54 pipe is a bottleneck even in the factory exhaust system. HKS pipe size is increased up to φ60 that greatly improves exhaust efficiency and goes great with bolt on turbo kit.
Stock φ54 pipe was purposely dented in several places for preventing interference with other vehicle parts (see photo). On the other hand, HKS joint pipe is φ60 and it was made in a layout without these dents. Due to the bigger bend radius than stock, the exhaust pressure is reduced and the power is increased.
Kit includes: joint pipe, gasket, bolts and nuts required for installation.
HKS FRONT PIPE pulls out potential power from turbocharged vehicle.
Diameter of pipe was studied and selected for each vehicle, engine performance and characteristics.
Pipe is designed as straight as possible to reduce secondary exhaust gas pressure.
Response of turbocharger is improved, and potential power of turbocharged vehicle comes out.
Mongoose Downpipe for Mitsubishi Evo 260