{"product_id":"afe-machforce-exhausts-cat-back-ss-tips-99-03-gm-gas-trucks-1500-v6-4-3l-v8-4-8-5-3l","title":"aFe MACH FORCE-Xp Cat-Back Exhaust – 1999–2003 GM Gas Trucks 1500 4.3L \/ V8 4.8 \/ 5.3L","description":"\u003cp\u003e\u003cstrong\u003eaFe MACH FORCE-Xp Cat-Back Exhaust – 1999–2003 GM Gas Trucks 1500 4.3L \/ V8 4.8 \/ 5.3L\u003c\/strong\u003e replace a factory exhaust section with a freer-flowing, mandrel-routed system that also changes the vehicle's sound and rear-end presentation. This listing is built around aFe POWER part numbers \u003cstrong\u003e49-44012-P, 49-44012-B\u003c\/strong\u003e for the 1999–2003 GM Gas Trucks 1500 4.3L \/ V8 4.8 \/ 5.3L.\u003c\/p\u003e\u003cp\u003eaFe's performance exhaust systems are engineered around tubing diameter, bend quality, merge transitions, muffler\/resonator strategy, hanger placement and tip configuration. Those details determine not only restriction but also tone, volume, clearance and how well the system integrates with the chassis.\u003c\/p\u003e\u003ch3\u003eWhat This Means on the Car\u003c\/h3\u003e\u003cp\u003eAn exhaust should be selected for the complete use case. Larger tubing and lower restriction can support additional airflow, but sound character is equally important on a street car. Axle-back systems primarily change the rear section and sound; cat-back and larger upstream systems address more of the exhaust path.\u003c\/p\u003e\u003ch3\u003eConfiguration Guide\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eTip Finish:\u003c\/strong\u003e Black. This selection changes the specified finish\/appearance; choose the option that matches the rest of the build.\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Part Numbers\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e 1999–2003 GM Gas Trucks 1500 4.3L \/ V8 4.8 \/ 5.3L\u003cbr\u003e\u003cstrong\u003eaFe POWER part numbers:\u003c\/strong\u003e 49-44012-P, 49-44012-B\u003c\/p\u003e\u003cp\u003eFitment can differ by engine, drivetrain, trim, factory equipment, emissions configuration and production date. Match the part number above to the vehicle before installation; where aFe publishes SKU-specific installation or emissions requirements, those requirements take precedence.\u003c\/p\u003e\u003ch3\u003eLegacy Racing Enthusiast Perspective\u003c\/h3\u003e\u003cp\u003eWe recommend deciding first how much additional sound you actually want, then choosing the system architecture. For track-capable street cars, we also consider local sound limits and whether a muffler\/resonator configuration leaves enough margin for future engine modifications. On the 1999–2003 GM Gas Trucks 1500 4.3L \/ V8 4.8 \/ 5.3L, we would make the purchase decision around the limitation this component addresses and how it fits with the car's current and planned modifications.\u003c\/p\u003e","brand":"aFe","offers":[{"title":"Default Title","offer_id":49292601622778,"sku":"AFE49-44012-P","price":884.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":50260507787514,"sku":"AFE49-44012-B","price":953.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/1053c492-390d-41cb-b41c-8a74b6ff6c12-800_41be88bd-6b4d-44ff-a243-e70efcc03d7c.jpg?v=1783037664","url":"https:\/\/lgcracing.com\/products\/afe-machforce-exhausts-cat-back-ss-tips-99-03-gm-gas-trucks-1500-v6-4-3l-v8-4-8-5-3l","provider":"Legacy Racing","version":"1.0","type":"link"}