{"product_id":"cat-back-exhaust-for-mitsubishi-galant-1999-2003-2-4l","title":"Cat Back Exhaust for Mitsubishi Galant (1999-2003) 2.4L","description":"\u003ch2\u003eHigh-Flow Cat Back Exhaust for 1999-2003 Mitsubishi Galant\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Cat Back Exhaust replaces the restrictive factory exhaust tubing and baffled muffler on the 1999-2003 Galant to reduce backpressure, accelerate exhaust velocity, and improve overall engine efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mitsubishi Galant Exhaust Bottleneck\u003c\/h3\u003e\n\u003cp\u003eThe factory exhaust system fitted to the eighth-generation \u003cstrong\u003eEA3A\u003c\/strong\u003e chassis relies on small-diameter, crush-bent aluminized steel tubing paired with a restrictive multi-chambered muffler. Over time, the low-grade factory steel suffers from severe galvanic corrosion and thermal fatigue at the seam welds. Mechanically, the tight internal baffling and corrugated bends create turbulent airflow and parasitic exhaust backpressure, restricting scavenging efficiency on the \u003cstrong\u003e4G64\u003c\/strong\u003e powerplant during higher engine loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-fit cat-back system replaces the stock layout with mandrel-bent T304 stainless steel tubing that maintains a uniform internal diameter through every transition. Featuring precision TIG-welded flanges and integrated factory-style hangars, it bolts directly behind the catalytic converter without cutting or modification. The straight-through, high-temperature packing muffler dampens harsh harmonic frequencies to prevent highway cabin drone while maximizing exhaust gas velocity and heat dissipation.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e1999-2003 Mitsubishi Galant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e4G64\u003c\/strong\u003e \/ \u003cstrong\u003eEA3A\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e145 hp \/ 155 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999-2003 Mitsubishi Galant DE (2.4L L4 - SOHC)\u003c\/li\u003e\n  \u003cli\u003e1999-2003 Mitsubishi Galant ES (2.4L L4 - SOHC)\u003c\/li\u003e\n  \u003cli\u003e2001-2003 Mitsubishi Galant LS (2.4L L4 - SOHC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the EA3A Galant?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 1999-2003 Mitsubishi Galant equipped with the \u003cstrong\u003e4G64\u003c\/strong\u003e engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill installing this cat-back system trigger a Check Engine Light (CEL)?\u003c\/strong\u003e\u003cbr\u003e No, because this system bolts rearward of the factory catalytic converter and maintains OEM sensor positions, factory emissions readiness and closed-loop operation remain unaffected.\u003c\/p\u003e\n\n\u003ch3\u003eThe Mitsubishi Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered for Japanese-engineered four-cylinder platforms, this cat-back system optimizes the resonant frequencies of the 2.4L SOHC architecture. By replacing crushed OE piping with smooth, high-velocity stainless tubing, it maximizes volumetric efficiency and delivers a crisp, linear exhaust note under heavy throttle.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50622419435768,"sku":"DS-EG6J85I9P","price":200.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/cat-back-exhaust-for-mitsubishi-galant-1999-2003-2-4l-1.jpg?v=1790264839","url":"https:\/\/performancechiptuning.com\/es\/products\/cat-back-exhaust-for-mitsubishi-galant-1999-2003-2-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}