The Thunder's mid pipe is a great exhaust upgrade for the CIVIC - 8th 1.8. The Large-caliber pipes allow exhaust to flow more freely through the entire system. This free flowing exhaust is what allows your CIVIC - 8th 1.8 to produce more power. The mid Y pipe upgrade can be used with a stock system or with the aftermarket options available today.
The all SUS304 stainless steel pipes feature TIG welding, thick flanges, 02 Bungs, gaskets, and a complete polished finish.
These pipes in conjunction with our Thunder's muffler and headers will yield an amazing gain.

Thunder has developed and tested this exhaust system for the MITSUBISHI FORTIS 1.8 / 2.0. The all SUS304 stainless steel exhaust features a polished finished, thick flanges, OEM fit, and an incredible sound. but had great performance gains on the street. With the competition being tested, Thunder exhaust features extreme quality and fitment. The full stainless muffler system is completely polished. It fits to your stock exhaust hangers and fits with the stock or aftermarket pipes using the same flange connection. Features large diameter, mandrel-bent extensions and tailpipes that are stainless steel and feature a polished stainless steel tip. System includes the Magnaflow Performance Muffler best suited to the needs of the vehicle and all the system hardware, flanges and gaskets needed to complete the installation.

Thunder has developed and tested this exhaust system for the MITSUBISHI FORTIS 1.8 / 2.0. The all SUS304 stainless steel exhaust features a polished finished, thick flanges, OEM fit, and an incredible sound. but had great performance gains on the street. With the competition being tested, Thunder exhaust features extreme quality and fitment. The full stainless muffler system is completely polished. It fits to your stock exhaust hangers and fits with the stock or aftermarket pipes using the same flange connection. Features large diameter, mandrel-bent extensions and tailpipes that are stainless steel and feature a polished stainless steel tip. System includes the Magnaflow Performance Muffler best suited to the needs of the vehicle and all the system hardware, flanges and gaskets needed to complete the installation.

Thunder's Exhuast headers are one of the best performance upgrades available for any application. Mandrel bent stainless steel to provides the best flow and durability, 12mm-thick flanges with oversized for exhaust ports and machined sealing beads for better flow with no leaks. Thunder's headers are significantly less restrictive than the stock manifolds on a vehicle and dramatically increase the power and efficiency of an engine. With durable stainless steel construction that can survive the abuse of racing, towing, and daily driving, these headers can take a beating. Each system includes high quality hardware and thorough instructions for a professional no-leak installation.

Thunder has developed and tested this exhaust system for the CIVIC - 4D. The all SUS304 stainless steel exhaust features a polished finished, thick flanges, OEM fit, and an incredible sound. but had great performance gains on the street. With the competition being tested, Thunder exhaust features extreme quality and fitment. The full stainless muffler system is completely polished. It fits to your stock exhaust hangers and fits with the stock or aftermarket pipes using the same flange connection. Features large diameter, mandrel-bent extensions and tailpipes that are stainless steel and feature a polished stainless steel tip. System includes the Magnaflow Performance Muffler best suited to the needs of the vehicle and all the system hardware, flanges and gaskets needed to complete the installation.

Thunder has developed and tested this exhaust system for the 86 . The all SUS304 stainless steel exhaust features a polished finished, thick flanges, OEM fit, and an incredible sound. but had great performance gains on the street. With the competition being tested, Thunder exhaust features extreme quality and fitment. The full stainless muffler system is completely polished. It fits to your stock exhaust hangers and fits with the stock or aftermarket pipes using the same flange connection. Features large diameter, mandrel-bent extensions and tailpipes that are stainless steel and feature a polished stainless steel tip. System includes the Magnaflow Performance Muffler best suited to the needs of the vehicle and all the system hardware, flanges and gaskets needed to complete the installation.

Thunder has developed and tested this exhaust system for the GOLF - 5th GTI . The all SUS304 stainless steel exhaust features a polished finished, thick flanges, OEM fit, and an incredible sound. but had great performance gains on the street. With the competition being tested, Thunder exhaust features extreme quality and fitment. The full stainless muffler system is completely polished. It fits to your stock exhaust hangers and fits with the stock or aftermarket pipes using the same flange connection. Features large diameter, mandrel-bent extensions and tailpipes that are stainless steel and feature a polished stainless steel tip. System includes the Magnaflow Performance Muffler best suited to the needs of the vehicle and all the system hardware, flanges and gaskets needed to complete the installation.

Thunder has developed and tested this exhaust system for the GOLF - 5th GTI . The all SUS304 stainless steel exhaust features a polished finished, thick flanges, OEM fit, and an incredible sound. but had great performance gains on the street. With the competition being tested, Thunder exhaust features extreme quality and fitment. The full stainless muffler system is completely polished. It fits to your stock exhaust hangers and fits with the stock or aftermarket pipes using the same flange connection. Features large diameter, mandrel-bent extensions and tailpipes that are stainless steel and feature a polished stainless steel tip. System includes the Magnaflow Performance Muffler best suited to the needs of the vehicle and all the system hardware, flanges and gaskets needed to complete the installation.