SLP LoudMouth Cat-Backs

Looking to upgrade your vehicle with a catback from SLP? We carry a great variety of SLP LoudMouth Cat-Backs and other exhaust, mufflers & tip performance parts for your vehicle.

We have 30 SLP LoudMouth Cat-Backs available with free shipping to the Continental US 48 States.

Dodge SLP LoudMouth Cat-Backs

Dodge Magnum View all Dodge Magnum Catback

IN STOCK 31062 SLP Exhaust LoudMouth 2.5in Inlet / Outlet Bullet-Type Resonator 2005-2008 Dodge Magnum R/T 2006-2008 Dodge Magnum SRT8 $189.99 Details

IN STOCK 31064 SLP Universal LoudMouth II 2.5in Bullet-Type Muffler - Pair 2005-2008 Dodge Magnum R/T 2006-2008 Dodge Magnum SRT8 $229.99 Details

IN STOCK 31066 SLP Universal LoudMouth 3.0in Inlet / Outlet Bullet-Type Resonator 2005-2008 Dodge Magnum R/T 2006-2008 Dodge Magnum SRT8 $105.60 Details

IN STOCK 31067 SLP Universal LoudMouth II 3in Bullet-Type Muffler 2005-2008 Dodge Magnum R/T 2006-2008 Dodge Magnum SRT8 $127.60 Details

SHIPS FROM MANUFACTURER D31000 SLP 2005-2010 Dodge Challenger/Charger/Magnum/300C 5.7L LoudMouth Cat-Back Exhaust System 2005-2008 Dodge Magnum R/T $639.99 Details

IN STOCK D31004 SLP 2005-2014 Dodge Challenger/Charger/Magnum/300C 6.1/6.4L LoudMouth Cat-Back Exhaust System 2006-2008 Dodge Magnum SRT8 $789.99 Details

IN STOCK - LOW D31005 SLP 2005-2014 Dodge Challenger/Charger/Magnum/300C 6.1/6.4L LoudMouth II Cat-Back Exhaust System 2006-2008 Dodge Magnum SRT8 $839.99 Details

IN STOCK D31026 SLP 2008-2014 Dodge Challenger/Charger/Magnum/300C 6.1/6.4L LoudMouth Cat-Back Exhaust System 2008-2008 Dodge Magnum SRT8 $799.99 Details

IN STOCK D31029 SLP 2008-2014 Dodge Challenger/Charger/Magnum/300C 5.7L LoudMouth Cat-Back Exhaust System 2008-2008 Dodge Magnum R/T $749.99 Details

Ford SLP LoudMouth Cat-Backs

Ford Mustang View all Ford Mustang Catback

IN STOCK M31015 SLP 1986-1993 Ford Mustang 5.0L LoudMouth Cat-Back Exhaust System 1986-1993 Ford Mustang GT 1986-1993 Ford Mustang LX 1993-1993 Ford Mustang SVT Cobra 1993-1993 Ford Mustang SVT Cobra R $729.99 Details

IN STOCK 31062 SLP Exhaust LoudMouth 2.5in Inlet / Outlet Bullet-Type Resonator 1996-2004 Ford Mustang GT 1996-1999 Ford Mustang SVT Cobra 2001-2001 Ford Mustang GT Bullitt 2001-2001 Ford Mustang SVT Cobra 2003-2004 Ford Mustang Mach 1 2003-2004 Ford Mustang SVT Cobra 2003-2003 Ford Mustang SVT Cobra 10th Anniversary $189.99 Details

IN STOCK 31064 SLP Universal LoudMouth II 2.5in Bullet-Type Muffler - Pair 1996-2004 Ford Mustang GT 1996-1999 Ford Mustang SVT Cobra 2001-2001 Ford Mustang GT Bullitt 2001-2001 Ford Mustang SVT Cobra 2003-2004 Ford Mustang Mach 1 2003-2004 Ford Mustang SVT Cobra 2003-2003 Ford Mustang SVT Cobra 10th Anniversary $229.99 Details

IN STOCK - LOW M31009 SLP 1994-1997 Ford Mustang 4.6L LoudMouth Cat-Back Exhaust System 1996-1997 Ford Mustang GT 1996-1997 Ford Mustang SVT Cobra $749.99 Details

IN STOCK M31007 SLP 1999-2004 Ford Mustang 4.6L LoudMouth Cat-Back Exhaust System 1999-2004 Ford Mustang GT 1999-1999 Ford Mustang SVT Cobra 2001-2001 Ford Mustang GT Bullitt 2001-2001 Ford Mustang SVT Cobra 2003-2004 Ford Mustang Mach 1 2003-2004 Ford Mustang SVT Cobra 2003-2003 Ford Mustang SVT Cobra 10th Anniversary $629.99 Details

IN STOCK M31007A SLP 1999-2004 Ford Mustang 4.6L LoudMouth II Cat-Back Exhaust System 1999-2004 Ford Mustang GT 1999-1999 Ford Mustang SVT Cobra 2001-2001 Ford Mustang GT Bullitt 2001-2001 Ford Mustang SVT Cobra 2003-2004 Ford Mustang Mach 1 2003-2004 Ford Mustang SVT Cobra 2003-2003 Ford Mustang SVT Cobra 10th Anniversary $639.99 Details

Pontiac SLP LoudMouth Cat-Backs

Pontiac Firebird View all Pontiac Firebird Catback

IN STOCK - LOW 31042 SLP 1998-2002 Chevrolet Camaro LS1 LoudMouth Cat-Back Exhaust System w/ 3.5in Dual Tips 1998-2002 Pontiac Firebird Formula 1998-2002 Pontiac Firebird Base 1998-2002 Pontiac Firebird Trans Am $599.99 Details

IN STOCK 31042A SLP 1998=2002 Chevrolet Camaro LS1 LoudMouth Cat-Back Exhaust System w/ 3.5in Slash Cut Tips 1998-2002 Pontiac Firebird Formula 1998-2002 Pontiac Firebird Base 1998-2002 Pontiac Firebird Trans Am $549.99 Details

IN STOCK 31043 SLP 1998-2002 Chevrolet Camaro LS1 LoudMouth II Cat-Back Exhaust System w/ Dual Tips 1998-2002 Pontiac Firebird Formula 1998-2002 Pontiac Firebird Base 1998-2002 Pontiac Firebird Trans Am $599.99 Details

IN STOCK 31043A SLP 1998-2002 Chevrolet Camaro LS1 LoudMouth II Cat-Back Exhaust System w/ 3.5in Slash Cut Tips 1998-2002 Pontiac Firebird Formula 1998-2002 Pontiac Firebird Base 1998-2002 Pontiac Firebird Trans Am $599.99 Details

IN STOCK 31066 SLP Universal LoudMouth 3.0in Inlet / Outlet Bullet-Type Resonator 1998-2002 Pontiac Firebird Formula 1998-2002 Pontiac Firebird Trans Am $105.60 Details

IN STOCK 31067 SLP Universal LoudMouth II 3in Bullet-Type Muffler 1998-2002 Pontiac Firebird Formula 1998-2002 Pontiac Firebird Trans Am $127.60 Details

Pontiac GTO View all Pontiac GTO Catback

IN STOCK - LOW 31060 SLP 2004 Pontiac GTO LS1 LoudMouth Cat-Back Exhaust System w/ PowerFlo X-Pipe 2004-2004 Pontiac GTO Base $789.99 Details

IN STOCK 31062 SLP Exhaust LoudMouth 2.5in Inlet / Outlet Bullet-Type Resonator 2004-2006 Pontiac GTO Base $189.99 Details

IN STOCK - LOW 31560 SLP 2005-2006 Pontiac GTO LS2 LoudMouth II Cat-Back Exhaust System w/ PowerFlo X-Pipe 2005-2006 Pontiac GTO Base $749.99 Details