Milltek Sport Catted & Catless Downpipes - 2004-2009 Volkswagen Golf Mk5 GTi 2.0T FSI

Milltek Sport catted and catless downpipes, cat pipes and front pipes for the Volkswagen Golf Mk5 GTi 2.0T FSI (2004-2009). These parts open up the hot side of the exhaust, cut backpressure and sharpen throttle response. Pick the option that matches your exhaust: some are built to fit a Milltek cat-back, others bolt to the stock cat-back.

Compare every part number

"Race/Track only" and "Stage 2 ECU remap" are shown only where Milltek states them. A dash means Milltek does not state it for that part.

What comes with each part number

• SSXAU312 (Large Bore Downpipe and Hi-Flow Sports Cat): 1 x Cast Large Bore Downpipe with 200cell HJS Catalyst (Replaces MSAU342); 1 x Front Connecting Pipe Milltek note: Must be fitted with the Milltek Sport 3-inch Race cat-back system and requires a Stage 2 ECU remap.
• SSXAU284 (Large-bore Catless Downpipe): 1 x Cast Large Bore Downpipe with catless (Replaces MSAU342REP); 1 x Connecting Pipe Milltek note: Must be fitted with the Milltek Sport cat-back system and requires a Stage 2 ECU remap.
• SSXVW216 (Large-bore Catless Downpipe): 1 x Cast Large Bore Downpipe with catless (Replaces MSAU342REP); 1 x Connecting Pipe for MSAU342 to MSVW399/MSVW399REP
• SSXSE143 (Large-bore Catless Downpipe): 1 x Cast Large Bore Downpipe with catless (Replaces MSAU342REP); 1 x Front Connecting Pipe Milltek note: Must be fitted with the Milltek Sport 3-inch Race cat-back system and requires a Stage 2 ECU remap.
• SSXVW391 (Large-bore Catless Downpipe): 1 x Cast Large Bore Downpipe with catless (Replaces MSAU342REP); 1 x Milltek Downpipe-to-OE Cat-back Connecting Pipe
• SSXAU200R (Cast Downpipe with Race Cat): 1 x Cast Large Bore Downpipe with 200cell Race Catalyst (Replaces MSAU342SPR); 1 x Connecting Pipe
• SSXSE154 (Large Bore Downpipe and Hi-Flow Sports Cat): 1 x Cast Large Bore Downpipe with 200cell Race Catalyst (Replaces MSAU342SPR); 1 x Front Connecting Pipe Milltek note: Race only. Must be fitted with the Milltek Sport 3-inch Race cat-back system and requires a Stage 2 ECU remap.
• SSXVW389 (Catted Downpipe [SSXVW389]): Milltek does not list the components for this part.
• SSXVW390 (Cast Downpipe with Race Cat): 1 x Cast Large Bore Downpipe with 200cell Race Catalyst (Replaces MSAU342SPR); 1 x Milltek Downpipe-to-OE Cat-back Connecting Pipe
• SSXAU200 (Cast Downpipe with HJS High Flow Sports Cat): 1 x Cast Large Bore Downpipe with 200cell HJS Catalyst (Replaces MSAU342); 1 x Connecting Pipe
• SSXVW277 (Turbo-back including Hi-Flow Sports Cat): 1 x Cast Large Bore Downpipe with 200cell HJS Catalyst (Replaces MSAU342); 1 x Front Connecting Pipe; 1 x Non-resonated Centre Section; 1 x Race Rear Silencer; 2 x GT80 Polished Tips; Twin 80mm GT80
• SSXVW278 (Turbo-back including Hi-Flow Sports Cat): 1 x Cast Large Bore Downpipe with 200cell HJS Catalyst (Replaces MSAU342); 1 x Front Connecting Pipe; 1 x Non-resonated Centre Section; 1 x Race Rear Silencer; 2 x Cerakote Black Tips; Twin 80mm GT80
• SSXVW275 (Turbo-back including Hi-Flow Sports Cat): 1 x Cast Large Bore Downpipe with 200cell HJS Catalyst (Replaces MSAU342); 1 x Front Connecting Pipe; 1 x Centre Silencer Assembly; 1 x Race Rear Silencer; 2 x GT80 Polished Tips; Twin 80mm GT80
• SSXVW276 (Turbo-back including Hi-Flow Sports Cat): 1 x Cast Large Bore Downpipe with 200cell HJS Catalyst (Replaces MSAU342); 1 x Front Connecting Pipe; 1 x Centre Silencer Assembly; 1 x Race Rear Silencer; 2 x Cerakote Black Tips; Twin 80mm GT80

Catted and catless downpipes

A catted downpipe keeps a catalytic converter in the downpipe. A catless downpipe (de-cat) replaces it with a straight pipe. Each option name above says which one it is.

Fitment

Volkswagen Golf Mk5 GTi 2.0T FSI, 2004-2009. US-market model listing. Confirm your exact model, engine and options before ordering.

About Milltek Sport

• T304L stainless steel, CNC mandrel bent.
• Designed and developed in Derby, UK with a US facility in Knoxville, Tennessee, and tested at the Nürburgring.
• Company founded in 1983.

Warranty

Milltek covers most products with a lifetime guarantee. Downpipes, hi-flow catalysts and any part with valves are covered for 2 years or 80,000 km, and electronic products for 2 years. Claims go through the authorized dealer you bought from, and cover the original purchaser only. Full terms: millteksport.com/Warranty.html

Notes

• Some options need a Stage 2 ECU remap. Read the option name before you order.
• Catless downpipes and other cat bypass parts replace emissions equipment. They are sold for off-road and competition use where local law allows. You are responsible for checking the rules that apply to your vehicle.
• Fitting times are Milltek estimates for a professional installer.