Looking for aftermarket parts to modify or upgrade your 2018 Porsche 911 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.

OUT OF STOCK 49-36450-BThis cat-back exhaust system is constructed of 2-1/2 IN - 2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 4 IN diameter stainless steel exhaust tips. The tips features a laser etched aFe POWER logo for a un... aFe 14-16 Porsche 911 GT3 991.1 H6 3.8L MACH Force-Xp 304 SS Cat-Back Exhaust System w/ Black Tips 2018-2019 Porsche 911 GT3 $3,596.00 |
OUT OF STOCK 49-36450-CThis cat-back exhaust system is constructed of 2-1/2 IN - 2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 4 IN diameter carbon fiber 304 stainless steel exhaust tips. The tips features a laser etched aFe PO... aFe 14-16 Porsche 911 GT3 991.1 H6 3.8L MACH Force-Xp 304 SS Cat-Back Exhaust System w/ Carbon Tips 2018-2019 Porsche 911 GT3 $3,596.00 |
OUT OF STOCK 49-36450-HThis cat-back exhaust system is constructed of 2-1/2 IN - 2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 4 IN diameter brushed 304 stainless steel exhaust tips. The tips features a laser etched aFe POWER l... aFe 14-16 Porsche 911 GT3 991.1 H6 3.8L MACH Force-Xp 304 SS Cat-Back Exhaust System w/ Brushed Tips 2018-2019 Porsche 911 GT3 $3,596.00 |
IN STOCK - DROPSHIPS 49C36434This system features Dual, Tuned Helmholtz resonators integrated into its design to improve tone and eliminate drone. 100% TIG-welded by certified craftsmen for race proven strength and durability. TIG-welding provides the strongest welds reducing stress cracks. This muffler delete is constructed of... aFe Power MACHForce XP 304 Stainless Secondary Muffler Delete Pipe 14-19 Porsche 911 GT3 3.8L/4.0L 2018-2019 Porsche 911 GT3 $1,684.00 |
OUT OF STOCK 49C36441This exhaust system is constructed of mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. The 2 IN loop pipe replaces the factory side mufflers, and incorporates a loop design for better sound. The muffler bypass is constructed of 2-1/2 IN tubing. This syste... aFe 14-19 Porsche 911 H6-3.8/4.0L GT3 MACH Force-Xp 304 Stainless Steel Primary Muffler Delete Pipe 2018-2019 Porsche 911 GT3 $2,036.00 |

OUT OF STOCK 3025-32016Comprised of a center muffler delete featuring a balance pipe, and valved side muffler deletes, the SwitchPath™ Exhaust retains the factory valve operation while providing a significant increase in power, weight reduction, and an eye-widening soundtrack. The SwitchPath™ Exhaust will respond to y... AWE Tuning Porsche 991 GT3 / RS SwitchPath Exhaust - Chrome Silver Tips 2018-2018 Porsche 911 Carrera 4 GTS 2018-2019 Porsche 911 GT3 $3,545.00 |
OUT OF STOCK 3025-32018Comprised of an integrated x-pipe, balance tube, factory-matched valved and non-valved inlets, and two straight-through mufflers designed specifically for Porsche’s new turbo-powered Carrera, the SwitchPath™ Exhaust proves to be the all-around solution while retaining factory PSE operation. Due ... AWE Tuning Porsche 911 (991.2) Carrera / S SwitchPath Exhaust for PSE Cars - Chrome Silver Tips 2017-2019 Porsche 911 Carrera / Carrera 4 / Carrera 4S / Carrera S / Targa 4 / Targa 4S 2018-2019 Porsche 911 Carrera 4 GTS / Carrera GTS / Carrera T / Targa 4 GTS $4,935.00 |
OUT OF STOCK 3025-33016Comprised of a center muffler delete featuring a balance pipe, and valved side muffler deletes, the SwitchPath™ Exhaust retains the factory valve operation while providing a significant increase in power, weight reduction, and an eye-widening soundtrack. The SwitchPath™ Exhaust will respond to y... AWE Tuning Porsche 991 GT3 / RS SwitchPath Exhaust - Diamond Black Tips 2018-2019 Porsche 911 GT3 $3,545.00 |
OUT OF STOCK 3025-33018Comprised of an integrated x-pipe, balance tube, factory-matched valved and non-valved inlets, and two straight-through mufflers designed specifically for Porsche’s new turbo-powered Carrera, the SwitchPath™ Exhaust proves to be the all-around solution while retaining factory PSE operation. Due ... AWE Tuning Porsche 911 (991.2) Carrera / S SwitchPath Exhaust for PSE Cars - Diamond Black Tips 2017-2019 Porsche 911 Carrera / Carrera 4 / Carrera 4S / Carrera S / Targa 4 / Targa 4S 2018-2019 Porsche 911 Carrera 4 GTS / Carrera GTS / Carrera T / Targa 4 GTS $4,935.00 |

OUT OF STOCK 3825-11014Uncork the GT3 completely with the final piece of the AWE puzzle. Adding the AWE's valved side muffler deletes turns your existing AWE Center Muffler Delete configuration into a full AWE SwitchPath™ Exhaust. SwitchPath™ Exhaust retains the factory valve operation while providing a significant in... AWE Tuning Porsche 991 GT3 / RS SwitchPath Conversion Kit (Requires AWE Tuning Center Muffler) 2018-2019 Porsche 911 GT3 $2,155.00 |

IN STOCK - LOW S7607BLKSTYLE THATS WORTH A SECOND LOOK - ARMOR BLK Series exhaust systems crank your vehicle's style dial to 11. The ARMOR BLK series offers the same performance as the other series with an engineered, high-heat black powdercoating on the tailpipe(s) and tip(s).Manufactured using heavy-gauge Aluminized Ste... MBRP 14-19 Porsche GT3/GT3RS 3in Center Muffler Bypass 4in Tips - Black Coated 2014-2019 Porsche 911 Turbo / Turbo S 2018-2018 Porsche 911 Turbo S Exclusive Series 2018-2019 Porsche 911 GT2 RS / GT3 $871.24 |